Abstract:
A method of flow baffle installation is disclosed herein. The method, in various aspects includes the steps of orienting a side support at a specified elevation about a sidewall of a sump using a leveling support, bolting the side support to the sidewall of the sump following the step of orienting a side support at a specified elevation about a sidewall of a sump using a leveling support, orienting an opposing side support at the specified elevation about the sidewall of the sump using a corresponding leveling support, bolting the opposing side support to the sidewall of the sump following the step of orienting an opposing side support at the specified elevation about the sidewall of the sump using a corresponding leveling support, adjusting an adjustable cross-member to span between the side support and the opposing side support. This Abstract is presented to meet requirements of 37 C.F.R. §1.72(b) only. This Abstract is not intended to identify key elements of the apparatus and methods disclosed herein or to delineate the scope thereof.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    The present application is a divisional application of co-pending U.S. patent application Ser. No. 13/080,890 filed 6 Apr. 2011, which is hereby incorporated by reference in its entirety herein. 
     
    
     BACKGROUND OF THE INVENTION 
       [0002]    1. Field 
         [0003]    The apparatus, methods, and kits disclosed herein related to retrofit sumps to control the flow therein. 
         [0004]    2. Background 
         [0005]    Water such as, for example, storm water, sanitary wastewater, and other such flows may contain pollutants in the form of various settleable particulates. In various aspects, the water may be channeled through various existing pipes or other drainage channels that pass through one or more sumps. In order to control pollution, it may be desirable to utilize these existing sumps to capture particulates entrained in the water. 
         [0006]    The flow velocity may decrease as the water passes through the sump, so that some of the particles entrained in the water may settle to the bottom of the sump. The particles settled to the bottom of the sump may be retained at the bottom of the sump, and may be removed from the bottom of the sump by periodic cleaning. However, large flows through the sump may re-entrain the particles before the particles are removed from the sump. Furthermore, the flow velocities and flow patterns in the sump may hinder the removal of particles from the water by settling. Various apparatuses that train the flow within the sump have been developed to be retrofit into existing sumps or fit into sumps generally as the sump is constructed in order to enhance particle removal by enhancing particle settlement in the sump and to prevent re-entrainment of particles into water flowing through the sump. 
         [0007]    These existing sumps, in various aspects, may be a generally confined space with limited access through a manhole or other such entryway. The confined space with limited access may cause difficulty with retrofitting an existing sump with such apparatuses to control the flow. 
         [0008]    Accordingly, there is a need for improvements in the apparatus that train the flow within the sump, as well as associated methods, and kits that facilitate the retrofit of existing sumps with such apparatus. 
       BRIEF SUMMARY OF THE INVENTION 
       [0009]    These and other needs and disadvantages may be overcome by the apparatus, methods, and kits disclosed herein. Additional improvements and advantages may be recognized by those of ordinary skill in the art upon study of the present disclosure. 
         [0010]    A method of flow baffle installation is disclosed herein. The method, in various aspects includes the steps of orienting a side support at a specified elevation about a sidewall of a sump using a leveling support, bolting the side support to the sidewall of the sump following the step of orienting a side support at a specified elevation about a sidewall of a sump using a leveling support, orienting an opposing side support at the specified elevation about the sidewall of the sump using a corresponding leveling support, bolting the opposing side support to the sidewall of the sump following the step of orienting an opposing side support at the specified elevation about the sidewall of the sump using a corresponding leveling support, adjusting an adjustable cross-member to span between the side support and the opposing side support. 
         [0011]    A flow baffle installation kit is disclosed herein. In various aspects, the kit includes a side support adapted to attach to a sidewall of a sump, a leveling support adapted to be slideably received by the side support, an opposing side support adapted to attach to the sidewall of the sump, a corresponding leveling support adapted to be slideably received by the opposing side support, an adjustable cross-member configured to attach to side support and attach to the opposing side support, and a baffle adapted to attach to the adjustable cross-member. 
         [0012]    This summary is presented to provide a basic understanding of some aspects of the apparatus and methods disclosed herein as a prelude to the detailed description that follows below. Accordingly, this summary is not intended to identify key elements of the apparatus and methods disclosed herein or to delineate the scope thereof. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0013]      FIG. 1A  illustrates by plan view an exemplary implementation of a flow baffle apparatus installed within a sump; 
           [0014]      FIG. 1B  illustrates by elevation view portions of the exemplary implementation of the flow baffle apparatus of  FIG. 1A ; 
           [0015]      FIG. 2  illustrates by perspective view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0016]      FIG. 3A  illustrates by elevation view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0017]      FIG. 3B  illustrates by elevation view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0018]      FIG. 4  illustrates by elevation perspective view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0019]      FIG. 5A  illustrates by elevation view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0020]      FIG. 5B  illustrates by elevation view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0021]      FIG. 6  illustrates by elevation perspective view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0022]      FIG. 7A  illustrates by elevation perspective view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0023]      FIG. 7B  illustrates by elevation perspective view portions of the exemplary flow baffle apparatus of  FIG. 1A ; 
           [0024]      FIG. 8  illustrates by process flow chart an exemplary process of installation of the exemplary flow baffle apparatus of  FIG. 1A . 
       
    
    
       [0025]    The Figures are exemplary only, and the implementations illustrated therein are selected to facilitate explanation. The number, position, relationship and dimensions of the elements shown in the Figures to form the various implementations described herein, as well as dimensions and dimensional proportions to conform to specific force, weight, strength, flow and similar requirements are explained herein or are understandable to a person of ordinary skill in the art upon study of this disclosure. Where used in the various Figures, the same numerals designate the same or similar elements. Furthermore, when the terms “top,” “bottom,” “right,” “left,” “forward,” “rear,” “first,” “second,” “inside,” “outside,” and similar terms are used, the terms should be understood in reference to the orientation of the implementations shown in the drawings and are utilized to facilitate description thereof. 
       DETAILED DESCRIPTION OF THE INVENTION 
       [0026]    Methods of flow baffle apparatus installation along with associated flow baffle apparatus and kits are disclosed herein. The flow baffle apparatus may be positioned within a sump in order to train the flow within the sump, and the flow baffle apparatus may be formed for that purpose. The flow baffle apparatus may be secured to the walls of the sump in ways that may account for irregularities in the walls. The sump may be accessed through a manhole, and the methods of flow baffle apparatus installation, along with the associated flow baffle apparatus and kits, are designed to be implemented through manhole access, in various aspects. 
         [0027]      FIG. 1A  illustrates an implementation of flow baffle apparatus  10 . As illustrated in  FIG. 1A , flow baffle apparatus  10  is positioned in sump  405  to train the flow therein. Pipe  432  leads into sump  410  and pipe  434  leads from sump  410  so that flow may pass through pipe  432  into sump  410 , pass about baffle apparatus  10 , which is positioned within sump  410 , and exit sump  410  through pipe  434 . As illustrated, pipe  432  and pipe  434  are positioned generally opposite one another at angle α=180° in the horizontal plane. In other implementations, pipe  432  and pipe  434  may be positioned at other angles α in the horizontal plane with respect to one another, may have various sizes, may be set at various elevations with respect to sump bottom  415  including other benchmarks, or there may be additional pipes flowing into or out from sump  410 . 
         [0028]    Flow baffle apparatus  10  includes baffles  50 ,  60  mounted to adjustable cross-members  91 ,  93  (see  FIG. 2 ). Adjustable cross-members  91 ,  93  are attached to side supports  30 ,  40  (see  FIG. 2 ), and side supports  30 ,  40  are bolted to sidewall  410  of sump  405  generally opposite one another such that baffles  50 ,  55  are oriented generally perpendicular to the flow into sump  405  from pipe  432 . Other implementations of the flow baffle apparatus may include more or fewer baffles, such as baffles  50 ,  55 , or may include more or fewer adjustable cross-members, such as adjustable cross-members  91 ,  93 . The flow baffle apparatus, such as flow baffle apparatus  10 , may have other orientations with respect to the inflow pipe(s), such as pipe  433 , and with respect to outflow pipe(s), such as pipe  434 , in other implementations. Sidewall  410  of sump  405  is generally circular in this implementation, but other implementations may have multiple sidewalls or the sidewall(s) may have various shapes such as elliptical, polygonal, or so forth. 
         [0029]    As illustrated in  FIG. 1A , adjustable cross-member  93  includes cross-member  82 , cross-member connector  86 , and cross-member  84  (see  FIGS. 2 ,  3 A) with cross-members  82 ,  84  slideably received upon cross-member connector  86 . Adjustable cross-member  91  includes cross-member  72 , cross-member connector  76 , and cross-member  74  with cross-members  72 ,  74  slideably received upon cross-member connector  76 , as illustrated in  FIGS. 2 ,  3 B. 
         [0030]      FIG. 1B  illustrates flow baffle apparatus  10  positioned in sump  405  by cut-away elevation view. As illustrated, sump  405  may be accessed through manhole  420 , which is covered by manhole cover  422 . The portions of flow baffle apparatus  10  may be passed into sump  405  through manhole  420  for installation within sump  405 . In various implementations, the portions of the flow baffle apparatus  10  are designed to pass through the manhole  420 , where the manhole  420  may have an inside diameter of 24 inches. In some implementations, the inside diameter of the manhole  420  may be 21 inches or less and the portions of the flow baffle apparatus  10  may be designed to pass therethrough. The sump  405  in which the flow baffle apparatus  10  is installed may range from about 4 ft. in diameter to about 8 ft. in diameter or other characteristic dimension, in various implementations. Portions of the flow baffle apparatus  10  may be disassembled when passed through the manhole  420  and then assembled in the sump  405  as part of the installation process. These disassembled components may be sized to pass through the manhole  420 . The components of the flow baffle apparatus  10  may be designed to fit the sump  405  when assembled. 
         [0031]    In the view illustrated in  FIG. 1B , baffle  50  is mounted to cross-member  82  of adjustable cross-member  93  and to cross-member  72  of adjustable cross-member  91 . Cross-members  72 ,  82  are attached to side support  30  (see  FIGS. 1A ,  2 ,  4 ,  5 A). Leveling support  22  joins side support  30  in this implementation. Leveling support  22  may be utilized to position side support  30  relative to sump bottom  415  prior to bolting of side support  30  onto sidewall  410  of sump  405 . Bolting, bolt, and bolted, as used herein, encompasses securing or securement using concrete anchors, anchor bolts, or other such methods or mechanisms of attachment to concrete, masonry, and suchlike. Bolting, bolt, and bolted, as used herein, encompasses bolted attachment to steel plate that may form portions of side  410  of sump  405 , welded attachment to such steel plate, cemented anchors, and other such methods or mechanisms of attachment and combinations of methods or mechanisms of attachment. Bolting, bolt, and bolted, as used herein, excludes interference fit. Side supports  30 ,  40  may include bolt holes or other features that facilitate bolting of the side supports  30 ,  40  to sidewall  410  of sump  405 . 
         [0032]      FIG. 2  illustrates portions of flow baffle apparatus  10  includes baffles  50 ,  60 , adjustable cross-members  91 ,  93 , cross-members  72 ,  74 ,  82 ,  84 , cross-member connectors  76 ,  86 , side supports  30 ,  40 , and leveling supports  22 , 24 . The various components of flow baffle apparatus  10  including baffles  50 ,  60 , adjustable cross-members  91 ,  93 , cross-members  72 ,  74 ,  82 ,  84 , cross-member connectors  76 ,  86 , side supports  30 ,  40 , and leveling supports  22 ,  24  may be formed, for example, of metals such as steel, cast iron, stainless steel, brass, copper, and aluminum, plastics such as polyvinyl chloride (PVC), wood, combinations thereof, and so forth, as would be readily recognized by those of ordinary skill in the art upon study of the present disclosure. Component(s) may be, for example, galvanized, coated with various plastics that inhibit corrosion, inhibit the growth of algae or other aquatic organisms on the component(s), coated with various materials that inhibit abrasion, and so forth, as would be readily recognized by those of ordinary skill in the art upon study of the present disclosure. The shapes of the various members such as round, rectangular, and so forth are exemplary and not limiting. Alternative shapes may be used in various other implementations. 
         [0033]    As illustrated in  FIG. 2 , leveling supports  22 ,  24  are attached to side supports  30 ,  40 , respectively. Leveling supports  22 ,  24 , respectively, may be slideably engaged with side supports  30 ,  40  so that side supports  30 ,  40  may be positioned at a desired position with respect to leveling supports  22 ,  24 , and locking mechanisms, such as bolt  151  (see  FIG. 6 ), may be provided to secure side supports  30 ,  40  to leveling supports  22 ,  24  at the desired position. Ends  21 ,  23  of leveling supports  22 ,  24 , respectively may be rested upon the sump bottom  415  of sump  405  while side supports  30 ,  40  are positioned about sidewall  410 . 
         [0034]    Side supports  30 ,  40  may be bolted to sidewall  410  of sump  405 . Leveling supports  22 ,  24  may be used to support side supports  30 ,  40  respectively, in position prior to or while bolting side supports  30 ,  40  to sidewall  410 . Side supports  30 ,  40  may be secured to sidewall  410  such that ends  34 ,  44  are generally horizontally aligned with one another (i.e. at the same elevation with respect to a benchmark) using the leveling supports  22 ,  24 , respectively. Side support  30  may be positioned upon sidewall  410  such that end  32  and end  34  of side support  30  are generally vertically aligned with one another so that side support  30  runs vertically upon sidewall  410 , in some implementations or may be set at an angle with respect to the vertical in other implementations. Side support  40  may be positioned upon sidewall  410  such that end  42  and end  44  of side support  40  are generally vertically aligned with one another so that side support  40  runs vertically upon sidewall  410 . 
         [0035]    As illustrated in  FIG. 2 , adjustable cross-member  93  includes cross-member  82 , cross-member connector  86 , and cross-member  84  with cross-members  82 ,  84  slideably received upon cross-member connector  86 . Cross-members  82 ,  84  are secured to one another by cross-member connector  86  that extends at least between ends  104 ,  112  of cross-members  82 ,  84 . Cross-members  82 ,  84  may be slideably mounted upon cross-member connector  86  so that the length  443  of adjustable cross-member  93 , which includes cross-members  82 ,  84  and cross-member connector  86 , may be adjusted by sliding cross-members  82 ,  84  upon cross-member connector  86  until length  443  of adjustable cross-member  93  is set to span between side support  30  and side support  40  at the points of attachment of adjustable cross-member  93 . Locks  83 ,  85  are positioned generally proximate ends  104 ,  112  of cross-members  82 ,  84  respectively, as illustrated. Locks  83 ,  85  may secure cross-members  82 ,  84  upon cross-member connector  86  with the adjustable cross-member  93  positioned at length  443  to hold the adjustable cross-member  93  at length  443 . Locks  83 ,  85  may be eye bolts, set screws, bolts, winged bolts and so forth that frictionally engage the cross-members  82 ,  84  to cross-member connector  86  at the desired length  443 . Various numbers of locks, such as locks  83 ,  85 , may be provided in various implementations and the locks may be variously positioned along cross-members  82 ,  84 . 
         [0036]    Ends  102 ,  114  of cross-members  82 ,  84  are secured to ends  34 ,  44  of side supports  30 ,  40 , respectively, and adjustable cross-member  93  spans portions of sump  405  between end  34  of side support  30  and end  44  of side support  40 , as illustrated. Ends  102 ,  114  of cross-members  82 ,  84  may be secured to end caps  177 ,  179  (see  FIG. 4 ) that are slidably received over ends  34 ,  44  of side supports  30 ,  40 , respectively. Ends  102 ,  114  of cross-members  82 ,  84  may be secured to end caps  177 ,  179 , respectively using bolts, pinned connectors, welds, and so forth, in various implementation. In various other implementations (not shown), ends  102 ,  114  of cross-members  82 ,  84  may be secured directly to ends  34 ,  44  of side supports  30 ,  40 , respectively using bolts, pinned connectors, welds, and so forth, in various implementation. With locks  83 ,  85  engaged to secure cross-members  82 ,  84  upon cross-member connector  86 , the adjustable cross-member  93  forms a rigid support spanning between side supports  30 ,  40  to support baffles  50 ,  60  thereupon. Side supports  30 ,  40  may be secured to sidewall  410  such that ends  34 ,  44  are generally horizontally aligned with one another so that the adjustable cross-member  93  extends generally horizontally between side support  30  and side support  40 . 
         [0037]    Adjustable cross-member  91 , as illustrated in  FIG. 2 , includes cross-member  72 , cross-member connector  76 , and cross-member  74  with cross-members  72 ,  74  slideably received upon cross-member connector  76 . Cross-members  72 ,  74  are secured to one another by cross-member connector  76  that extends at least between ends  124 ,  132  of cross-members  72 ,  74 . Cross-members  72 ,  74  may be slideably mounted upon cross-member connector  76  so that the length  441  of adjustable cross-member  91 , which includes cross-members  72 ,  74  and cross-member connector  76 , may be adjusted by sliding cross-members  72 ,  74  upon cross-member connector  76  until length  441  of adjustable cross-member  91  is set to span between side support  30  and side support  40  at the points of attachment of adjustable cross-member  91  to side supports  30 ,  40 . Locks  73 ,  75  are positioned generally proximate ends  124 ,  132  of cross-members  72 ,  74  respectively. Locks  73 ,  75  may secure cross-members  72 ,  74  upon cross-member connector  76  with the adjustable cross-member  91  positioned at length  441  to hold the adjustable cross-member  91  at length  441 . Locks  73 ,  75  may be eye bolts, set screws, bolts, winged bolts and so forth that frictionally engage the cross-members  72 ,  74  to cross-member connector  76  at the desired length  441 . Various numbers of locks, such as locks  73 ,  75 , may be provided in various implementations and the locks may be located at various positions along cross-members  72 ,  74 . 
         [0038]    Ends  122 ,  134  of cross-members  72 ,  74  are secured to ends  32 ,  42  of side supports  30 ,  40 , respectively, and adjustable cross-member  91  extends between end  32  of side support  30  and end  42  of side support  40  to span portions of the sump  405  between side support  30  and side support  40 , as illustrated. Ends  122 ,  134  of cross-members  72 ,  74  may be secured to ends  32 ,  42  of side supports  30 ,  40 , respectively, by being received in detents such as detents  35 ,  45  (see  FIGS. 5A ,  5 B) or by bolts, pinned connectors, welds, combinations thereof, and so forth, in various implementation. With locks  73 ,  75  engaged to secure cross-members  72 ,  74  upon cross-member connector  76 , the adjustable cross-member  91  forms a rigid support between side supports  30 ,  40  to support baffles  50 ,  60  thereupon. Side supports  30 ,  40  may be secured to sidewall  410  such that ends  32 ,  42  are generally horizontally aligned with one another so that the adjustable cross-member  91  extends generally horizontally between side support  30  and side support  40 . 
         [0039]    Length  441  may differ from length  443  due to imperfections of construction, and length  441  may differ from length  443  in different sumps constructed to the same general standard. The length  441  of the adjustable cross-member  91  or the length  443  of adjustable cross-member  93  may be adjusted to span between side support  30  and side support  40  at the points of attachment of adjustable cross-members  91 ,  93  in order to accommodate such variations. 
         [0040]    As illustrated in  FIG. 2 , baffle  50  is formed as a perforated flat sheet of material and is oriented such that surface  56  of baffle  50  is oriented generally upstream and surface  58  of baffle  50  is oriented generally downstream. Surfaces  56 ,  58  of baffle  50  are generally planar. Baffle  50  is secured to cross-member  82  generally along side  55  and baffle  50  is secured to cross-member  72  generally along side  53 , as illustrated in  FIG. 2 . 
         [0041]    Baffle  50 , in this implementation, includes channel  141  along side  55  and an opposing channel  143  along side  53  (see  FIG. 7A ). Channel  141  is engaged with cross-member  82  thereby securing side  55  of baffle  50  to cross-member  82 , and the opposing channel  143  is secured to cross-member  72  thereby securing side  53  of baffle  50  to cross-member  72 . Side  52  of baffle  50  may be secured to side support  30  by screws, bolts, welds, etc. Surface  58  of baffle  50  is upstream of side support  30  and surface  58  may be generally biased against side support  30  by the force of the water striking surface  56  of baffle  50 , as illustrated. 
         [0042]    As cross-member  82 , which forms a portion of adjustable cross-member  93 , may be set generally horizontal, side  55  of baffle  50 , which is engaged with cross-member  82  may be generally horizontal. Water may flow over side  55  of baffle  50  as a weir. As cross-member  72  may be set generally horizontal, side  53  of baffle  50 , which is engaged with cross-member  72 , may also be generally horizontal. Water may flow between side  53  of baffle  50  and sump bottom  415  and the baffle  60  and cross-member  72  may be positioned to provide a gap between side  63  and sump bottom  410  for the passage of flow therethrough. Holes  94  that pass through baffle  50  between surface  56  and surface  58  are disposed about baffle  50 , and water may flow through holes  94  of baffle  50 . The holes  94  may be generally similar in size, as illustrated, or may vary in size in other implementations. Holes, such as holes  94 , may be placed about the baffle(s), such as baffles  50 ,  60 , such that the baffle(s) may have a percent of open area ranging from about 40% to about 50%, and the diameter of holes  94  may range from about 2 inches to about 6 inches. 
         [0043]    As illustrated in  FIG. 2 , baffle  60  is oriented such that surface  66  of baffle  60  faces upstream and surface  68  of baffle  60  faces downstream. Baffle  60  is secured to cross-member  84  generally along side  65  and baffle  60  is secured to cross-member  74  of adjustable cross-member  91  generally along side  63 , as illustrated in  FIG. 2 . Baffle  60 , in this implementation, includes a channel  161  along side  65  and an opposing channel  163  along side  63  (see  FIG. 7B ). Channel  161  is engaged with cross-member  84  of adjustable cross-member  93  thereby securing side  65  of baffle  60  to cross-member  84 , and the opposing channel  163  is secured to cross-member  74  thereby securing side  63  of baffle  60  to cross-member  74 . Portions of baffle  60  generally along side  62  may be secured to side support  40  by screws, bolts, welds, etc. Surface  68  of baffle  60  is upstream of side support  40  and may be generally biased against side support  40  by the force of the water striking surface  66  of baffle  60 , as illustrated. 
         [0044]    As cross-member  84 , which forms a portion of adjustable cross-member  93 , may be set generally horizontal, side  65  of baffle  60 , which is engaged with adjustable cross-member  84  may be generally horizontal. Water may flow over side  65  of baffle  60  as a weir. As adjustable cross-member  74  may be set generally horizontal, side  63  of baffle  60 , which is engaged with adjustable cross-member  74 , may be generally horizontal. Water may flow between side  63  of baffle  60  and sump bottom  415  and the baffle  60  may be positioned to provide a gap between side  63  and sump bottom  415  for the passage of flow therethrough. Holes  94  that pass through baffle  60  between surface  66  and surface  68  are disposed about baffle  60 , and water may flow through holes  94  of baffle  60 . 
         [0045]    Side  54  of baffle  50  faces side  64  of screen  60 , as illustrated in  FIG. 2 . Side  54  of screen  50  may be generally aligned with side  64  of screen  60  and sides  54  and  64  may be generally vertical, in implementations in which length  441  is substantially equal to length  443 . In implementations in which length  441  differs from length  443 , side  54  of screen  50  may be overlapped with side  64  of screen  60  to compensate for differences between length  441  and length  443 . Notches  153 ,  155  are provided along side  54  of baffle  50 , and notches  163 ,  165  are provided along side  64  of baffle  60 , as illustrated in  FIG. 2 , to allow screen  50  to overlap with screen  60 , to allow for adjustment of the length  441  of adjustable cross-member  91 , or to allow for adjustment of the length  443  of adjustable cross-member  93 . Connectors  171 ,  173  may be disposed proximate sides  54 ,  64 , as illustrated in  FIG. 2 , to secure sides  54 ,  64  to one another. 
         [0046]    In implementations wherein side supports  30 ,  40  are oriented vertically, baffles  50 ,  60  are oriented such that perpendiculars to surfaces  56 ,  58  of baffle  50  and perpendiculars to surfaces  66 ,  68  of baffle  60  point in the horizontal direction. In implementations wherein side supports  30 ,  40  are oriented at an angle to the vertical, baffles  50 ,  60  are oriented such that perpendiculars to surfaces  56 ,  58  of baffle  50  and perpendiculars to surfaces  66 ,  68  of baffle  60  point in a direction perpendicular to the angle to the vertical of side supports  30 ,  40 . 
         [0047]      FIG. 3A  illustrates an implementation of adjustable cross-member  93  that includes cross-member  82  and cross-member  84  slideably receives cross-member connector  86 . As illustrated, cross-member  82  receives portions of cross-member connector  86  internally so that cross-member  82  slides over cross-member connector  86  to adjust the length  443  of adjustable cross-member  93 . Cross-member  82  and cross-member connector  86  may be locked into position with respect to one another using lock  83  to hold adjustable cross-member  93  at the desired length. Lock  83  is formed as a eye bolt threadedly engaged with cross-member  82  that may be turned until frictionally engaged with cross-member connector  86  to lock the cross-member connector  86  and cross-member  82  to one another, in this implementation. Lock  83  may be a bolt, screw, or other mechanism suitable to releasably engage cross-member  82  and cross-member connector  86  to one another in various implementations. 
         [0048]    Cross-member  84  is slideably received on cross-member connector  86 , as illustrated in  FIG. 3A . Cross-member  84  receives portions of cross-member connector  86  internally, so that cross-member  84  slides over cross-member connector  86 , in this implementation, to adjust the length  443  of adjustable cross-member  93 . Cross-member  84  and cross-member connector  86  may be locked into position with respect to one another using lock  85  to hold adjustable cross-member  93  at the desired length. Lock  85  is formed as an eye bolt threadedly engaged with cross-member  84  that may be turned until frictionally engaged with cross-member connector  86  to lock the cross-member connector  86  and cross-member  84  to one another, in this implementation. Lock  85  may be a bolt, screw, or other mechanism suitable to releasably engage cross-member  84  and cross-member connector  86  to one another in various implementations. 
         [0049]      FIG. 3B  illustrates cross-member  72  and cross-member  74  slideably received on cross-member connector  76  to form adjustable cross-member  91 . As illustrated, portions of cross-member connector  76  are received internally by cross-member  72 , so that cross-member  72  slides over cross-member connector  76  to adjust the length  441  of adjustable cross-member  91 . Cross-member  72  and cross-member connector  76  may be locked into position with respect to one another using lock  73  to hold adjustable cross-member  91  at the desired length. Lock  73  is formed as an eye bolt threadedly engaged with cross-member  72  that may be turned until frictionally engaged with cross-member connector  76  to lock the cross-member connector  76  and cross-member  72  to one another, in this implementation. Lock  73  may be a bolt, screw, or other mechanism suitable to releasably engage cross-member  72  and cross-member connector  76  to one another in various implementations. 
         [0050]    Cross-member  74  is slideably received on cross-member connector  76 , as illustrated in  FIG. 3B . Portions of cross-member connector  76  are received internally by cross-member  74 , so that cross-member  74  slides over cross-member connector  76  to adjust the length  441  of adjustable cross-member  91 , in this implementation. Cross-member  74  and cross-member connector  76  may be locked into position with respect to one another to hold adjustable cross-member  91  at the desired length using lock  75 . Lock  75  is formed as an eye bolt threadedly engaged with cross-member  74  that may be turned until frictionally engaged with cross-member connector  76  to lock the cross-member connector  76  and cross-member  74  to one another, in this implementation. Lock  75  may be a bolt, screw, or other mechanism suitable to releasably engage cross-member  74  and cross-member connector  76  to one another in various implementations. 
         [0051]      FIG. 4  illustrates the engagement of adjustable cross-member  93  with side supports  30 ,  40 . As illustrated in  FIG. 4 , end  121  of cross-member  82  of adjustable cross-member  93  includes hole  125  that may be aligned with holes  103  of flange  108  of end cap  177 . End cap  177  is adapted to be slidably received over portions of side support  30  generally proximate end  34 , and end cap  177  may be held in place upon end  34  by a combination of friction and gravity. Bolt  107  may be passed through holes  103 ,  125  to secure end  121  of cross-member  82  to end cap  177 . Nut  109  may be threadedly affixed to bolt  107  to hold bolt  107  in place within holes  103 ,  125 . 
         [0052]    As illustrated in  FIG. 4 , end  123  of cross-member  84  of adjustable cross-member  93  includes hole  131  that may be aligned with holes  133  of flange  113  of end cap  179 . End cap  179  is adapted to be slidably received over portions of side support  40  generally proximate end  44  end cap  179  may be held in place upon end  44  by a combination of friction and gravity. Bolt  127  may be passed through holes  131 ,  133  to secure end  123  of cross-member  84  to end cap  179 . Nut  129  may be threadedly affixed to bolt  127  to hold bolt  127  in place within holes  131 ,  133 . Various pins, screws, welds, and other fasteners may be substituted for bolts  107 ,  127  and nuts  109 ,  129  in other implementations. 
         [0053]    Use of end caps  177 ,  179  to secure adjustable cross-member  93  to side supports  30 ,  40  allows for the assembly of adjustable cross-member  93  in attachment to end caps  177 ,  179 . The assembly of adjustable cross-member  93  with end caps  177 ,  179  attached thereto may be manipulated by attaching a cable to lock  83 ,  85  which are configured as eye bolts in this implementation. For example, end caps  177 ,  179  could be attached to adjustable cross-member  93  above ground and the assembly of adjustable cross-member  93  with end caps  177 ,  179  attached thereto may be lowered into the sump and onto ends  34 ,  44  using a cable attached to locks  83 ,  85 . As an additional example, the assembly of adjustable cross-member  93  with end caps  177 ,  179  attached thereto may be pulled off of ends  34 ,  44  and removed from the sump by a cable attached to locks  83 ,  85 . 
         [0054]    In other implementations, adjustable cross-member  93  may be secured to side supports  30 ,  40 , for example, by bolts, screws, various other fasteners, welds, combinations thereof, and so forth, in other implementations. Although  FIG. 4  illustrates adjustable cross-member  93  secured to side supports  30 ,  40  generally at ends  34 ,  44 , adjustable cross-member  93  may be secured to side supports  30 ,  40  at other locations generally between ends  32 ,  34  and between ends  42 ,  44 , respectively, in various other implementations. 
         [0055]      FIG. 5A  illustrates the engagement of adjustable cross-member  91  with side supports  30 ,  40 . As illustrated in  FIG. 5A , detents  35 ,  45  are located proximate ends  32 ,  42  of sides supports  30 ,  40 , respectively. End  122  of cross-member  72  of adjustable cross-member  91  is received within receptacle  137  of detent  35 , and end  134  of cross-member  74  is received within receptacle  139  of detent  45 . With at least some of cross-members  72 ,  74  and cross-member connector  76  slideably engaged with one another, ends  122 ,  134  may be placed in receptacles  137 ,  139  and then cross-members  72 ,  74  and cross-member connector  76  locked into fixed engagement with one another to hold ends  122 ,  134  within receptacles  137 ,  139 . Adjustable cross-member  91  may be manipulated by attaching a cable to locks  73 ,  75  that are configured as eye bolts in this implementation. 
         [0056]    As illustrated in  FIG. 5A , detents  35 ,  45  are positioned proximate ends  32 ,  42  of side supports  30 ,  40 . Detents  35 ,  45  may be positioned at other locations along side supports  30 ,  40  in other implementations, and detents  35 ,  45  may or may not be symmetrically positioned along side supports  30 ,  40  with respect to one another. Adjustable cross-member  91  may be secured to side supports  30 ,  40 , in other ways, for example, by bolts, screws, various other fasteners, welds, combinations thereof, and so forth, in other implementations. 
         [0057]    A detail of detent  35  with end  122  of cross-member  72  received therein is illustrated in  FIG. 5B . As illustrated, detent  35  is secured to side support  30  generally proximate end  32 . Detent  35  may be welded to side support  30 , bolted to side support  30 , or secured to side support  30  in various other ways. Detent  35  includes receptacle  137 , which is formed as rectangular cavity within detent  35 . End  122  of cross-member  72  is rectangular in shape to conform to the rectangular cavity form of receptacle  137  in order to be received within receptacle  137 , as illustrated. The rectangular shape of cross-member  72  and receptacle  137  may prevent rotation of cross-member  72  when cross-member  72  is received within receptacle  137 . In this implementation, detent  45  with end  134  of cross-member  74  received therein is similar to detent  35  with end  122  of cross-member  72  received therein as illustrated in  FIG. 5B . 
         [0058]      FIG. 6  illustrates portions of side support  30  proximate end  22  engaged with leveling support  22 . As illustrated in  FIG. 6 , leveling support  22  is slideably received within side support  30 . Bolt  151  is threadedly engaged with side support  30  such that, when tightened, bolt  151  frictionally engages leveling support  22  to hold the side support  30  fixedly to leveling support  22 . Thus, the leveling support  22  and side support  30  may be slideably positioned with respect to one another and then locked into position by tightening bolt  151 . Side support  40  may slideably receive leveling support  24  and side support  40  may be fixed to leveling support  24  in a manner similar to that of leveling support  22  and side support  30  illustrated in  FIG. 6 . In implementations such as that illustrated in  FIG. 6 , ends  21 ,  23  of side supports  22 ,  24 , respectively, may be placed upon sump bottom  415  of sump  405  and sides supports  30 ,  40  may be slid upon leveling supports  22 ,  24 , respectively, until ends  34 ,  44 , of side supports  30 ,  40  are positioned at the desired elevation, respectively, about side  410 . With side supports  30 ,  40  so positioned, the side supports may then be attached to the wall  410  of the sump  405 . 
         [0059]      FIG. 7A  illustrates portions of baffle  50  including channel  141  and channel  143 . As illustrated, channel  141  is formed along side  55  of baffle  50  and channel  143  is formed along side  53 , which is opposite side  55 , of baffle  50 . As illustrated, channel  143  is formed generally along surface  56  of baffle  50  and channel  141  is formed generally along surface  58  of baffle  50  so that channel  141  and channel  143  extend forth perpendicularly in opposite directions from opposing surfaces of baffle  50 . Channel  141  and channel  143  may be generally rectangular in shape. Channel  141  may be engaged with cross-member  82  of adjustable cross-member  93  and channel  143  may be engaged with cross-member  72  of adjustable cross-member  91  to secure the baffle  50  to adjustable cross-members  93 ,  91 , respectively. Cross-member  82  may be generally rectangular in shape in correspondence to the shape of channel  141  in order to be received within channel  141 . Cross-member  72  may be generally rectangular in shape in correspondence to the shape of channel  143  in order to be received within channel  143 . 
         [0060]      FIG. 7B  illustrates portions of baffle  60  including channel  161  and channel  163 . As illustrated, channel  161  is formed along side  65  of baffle  60  and channel  163  is formed along side  63 , which is opposite side  65 , of baffle  60 . As illustrated, channel  163  is formed generally along surface  66  of baffle  60  and channel  161  is formed generally along surface  68  of baffle  60  so that channel  161  and channel  163  extend forth perpendicularly in opposite directions from opposing surfaces of baffle  60 . Channel  161  and channel  163  may be generally rectangular in shape. Channel  161  may be engaged with cross-member  84  of adjustable cross-member  93  and channel  163  may be engaged with cross-member  74  of adjustable cross-member  91  to secure the baffle  60  to adjustable cross-members  93 ,  91 , respectively. Cross-member  84  may be generally rectangular in shape in correspondence to the shape of channel  161  in order to be received within channel  161 . Cross-member  74  may be generally rectangular in shape in correspondence to the shape of channel  163  in order to be received within channel  163 . 
         [0061]    In assembly, the components, including, for example, baffles, such as baffles  50 ,  60 , adjustable cross-members, such as adjustable cross-members  91 ,  93 , side supports, such as side supports  30 ,  40 , and leveling supports, such as leveling supports  22 ,  24 , may be ported into a sump, such as sump  405 , through a manhole, such as manhole  420 . The components may be in various states of disassembly to accommodate passage through the manhole, which includes other access passages, into the sump. For example, adjustable cross-members may be separated into subcomponents. For example, adjustable cross-members  91 ,  93  may be disassembled into subcomponents that include cross-members  72 ,  74 ,  82 ,  84  and cross-member connectors  76 ,  86 , and the subcomponents may be passed through the manhole. The components, the subcomponents, or combinations thereof, may be sized to pass through the manhole into the sump and may be sized for assembly in the sump and may be sized for installation within a sump having a particular diameter or other characteristic dimension. Lightweight materials may be selected to form the components or the subcomponents, for example, in order to facilitate passage through the manhole into the sump. 
         [0062]    Side supports may be slideably received upon the leveling supports with one side support received upon a corresponding leveling support. For example, side support  30  may be received upon corresponding leveling support  22  and side support  40  may be received upon corresponding leveling support  24 . The ends, such as ends  21 ,  23 , of the leveling supports may be placed upon the sump bottom, such as sump bottom  415 , and the corresponding side supports then positioned about the sidewall, such as sidewall  410 . With ends of the leveling supports resting upon the sump bottom, the side supports may be slideably positioned upon the leveling supports until the side supports are positioned at the desired elevation. The side supports may be positioned in a generally vertical orientation. With the side supports positioned upon the leveling supports such that ends, such as ends  34 ,  44 , are positioned at a desired elevation(s) with respect to a benchmark, the side supports may be locked to the corresponding leveling supports such that the leveling supports, which rest upon the sump bottom, support the corresponding side supports in the desired position. The side supports may be locked to the leveling support using a locking mechanism, such as bolt  151 . With the side supports supported in position by the leveling supports, the side supports may be bolted to the sidewall of the sump. The ends of the side supports may be generally in horizontal alignment with one another. For example, end  34  of side support  30  may be placed at essentially the same elevation as end  44  of side support  40  so that end  34  and end  44  are in horizontal alignment with one another. Similarly, for example, ends  32   42  may be placed at essentially the same elevation so that ends  32 ,  42  are in horizontal alignment with one another. 
         [0063]    Adjustable cross-members, such as adjustable cross-members  91 ,  93 , may be assembled from cross-members and cross-member connectors. For example, adjustable cross-member  91  may be assembled from cross-members  72 ,  74  and cross-member connector  76  by receiving cross-members  72 ,  74  upon cross-member connector  76 . As a further example, adjustable cross-member  93  may be assembled from cross-members  82 ,  84  and cross-member connector  86  by receiving cross-members  82 ,  84  upon cross-member connector  86 . The adjustable cross-members may be assembled above ground, within the sump, or both. 
         [0064]    An end of the adjustable cross-member, such as end  121 ,  122 , may be secured to the side support. An opposing end of the adjustable cross-member, such as ends  123 ,  134 , may be secured to the opposing side support. The ends of the adjustable cross member may be secured to end caps such as end caps  177 ,  179  and the end caps may be placed over ends of the side supports to secure the adjustable cross member to the side supports. The adjustable cross-member may be secured directly to the side supports by, for example, a pinned connection, by being received within a detent, weld, or bolt or other fastener, or combinations thereof. The adjustable cross-member may be locked into the desired length, such as length  441 ,  443 , prior to attachment to the side supports, locked at the desired length following attachment to the side supports, or locked at the desired length while being attached to the side supports, in various implementations. The adjustable cross-member may be locked at the desired length by locks, such as locks  73 ,  75 ,  83 ,  85 , provided about the adjustable cross-member for that purpose. Lengths of the adjustable cross-members, such as lengths  441 ,  443 , are adjustable to vary in order to compensate for variations in the distance between the side supports that may result, for example, from imperfections of construction of the sump. 
         [0065]    The baffle(s), such as baffles  50 ,  60 , may be secured to the adjustable cross-members. The baffle(s) may be secured to the adjustable cross-members by channels, such as channels  141 ,  143 ,  161 ,  163 , that fit over portions of the adjustable cross-members such that portions of the adjustable cross-members are received within the channels to secure the baffle(s) to the adjustable cross-members. Additional or alternative mechanisms of attachment apart from the channels may be provided to secure the baffle(s) to the adjustable cross-members in various implementations. The baffle(s) may be secured to the adjustable cross-members at any convenient point in the assembly. The baffle(s) may be secured to the side support(s) by bolt, weld, various fasteners, and so forth. In implementations involving multiple baffles, the baffles may be secured to one another in various ways. Various implementations may employ one baffle, two baffles as generally illustrated herein, or three or more baffles. 
         [0066]      FIG. 8  illustrates by process flow diagram an exemplary process of assembly  400 . As illustrated in  FIG. 8 , process  400  is entered at step  401 . At step  405 , a side support, which is slideably received on a leveling support, is slid upon leveling support into position at the desired elevation within the sump. 
         [0067]    At step  410 , the side support is locked to the leveling support. At step  415 , the side support is bolted to the sidewall of the sump. The side support may be supported by the leveling support to which the side support is locked generally during step  415 . The leveling support may rest upon the sump bottom of the sump to hold the side support in position while the side support is bolted to the sidewall of the sump. 
         [0068]    At step  420 , an opposing side support, which is slideably received on a corresponding leveling support, is slid upon the corresponding leveling support into position at the desired elevation within the sump. The opposing side support is locked to the corresponding leveling support at step  425 . The opposing side support is bolted to the sidewall of the sump at step  430 . The opposing side support may be support by the corresponding leveling support to which the opposing side support is locked generally during step  430 . The corresponding leveling support may rest upon the sump bottom of the sump to hold the opposing side support in position while the opposing side support is bolted to the sidewall of the sump. The leveling supports may be removed from the side support and from the opposing side support after the side support and the opposing side support have been bolted to the sidewall. 
         [0069]    An adjustable cross-member is adjusted to span between the side support and the opposing side support, at step  435 . The adjustable cross-member is then secured to the side support and secured to the opposing side support at step  440 . The adjustable cross-member may be locked into the length require to span between the side support and the opposing side support during either step  435  or step  440 , in various implementations. 
         [0070]    At step  450 , an opposing adjustable cross-member is adjusted to span between the side support and the opposing side support. The opposing adjustable cross-member is then secured to the side support and secured to the opposing side support at step  455 . The adjustable cross-member may be locked into the length require to span between the side support and the opposing side support during either step  450  or step  455 , in various implementations. At step  460 , a baffle is secured to the adjustable cross-member and secured to the opposing adjustable cross-member. The length of the adjustable cross-member and the opposing adjustable cross-member may vary from one another to account for variations in the distance between the side supports at the points where the adjustable cross-member and the opposing adjustable cross-member are connected to the side supports. 
         [0071]    The foregoing discussion along with the Figures discloses and describes various exemplary implementations. These implementations are not meant to limit the scope of coverage, but, instead, to assist in understanding the context of the language used in this specification and in the claims. Upon study of this disclosure and the exemplary implementations herein, one of ordinary skill in the art may readily recognize that various changes, modifications and variations can be made thereto without departing from the spirit and scope of the inventions as defined in the following claims.