TABLE OF CONTENTS

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  SECTION A \--                                                                    [2](#_TOC_A)   
  Solicitation/Contract                                                                           
  Form                                                                                            

  A.1                     Summary of Changes                                                      [2](#_toc_A1)

  A.2                     Schedule of Changes for Amendment #1                                    [2](#_toc_A2)
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[]{#_TOC_A .anchor}SECTION A \-- Solicitation/Contract Form

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  []{#_toc_A1   Summary of Changes
  .anchor}A.1   

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  The free form item 'Schedule of Changes for Amendment #1 has been
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  []{#_toc_A2   Schedule of Changes for Amendment #1
  .anchor}A.2   

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LAKE MEAD NATIONAL RECREATION AREA

WILLOW BEACH

LAME 005191

1443N2011080753

REDEVELOP VISITOR FACILITIES & INSTALL FLASH FLOOD HAZARD PROTECTION

SCHEDULE OF CHANGES FOR AMENDMENT 1

CHANGES TO DRAWINGS

Drawing 602/41,158B (Phase 1), Sheet 9 of 233

1\. For the LOWER WILLOW BEACH PARKING LOT quantity summary table,
CHANGE the estimated quantity Hot Bituminous Pavement (HBP) from \"1,250
tons\" to \"3,110 tons\".

Drawing 602/41,158B (Phase 1), Sheets 9, 10, and 11 of 233

2\. ADD the following additional note at the end of the GENERAL NOTES:

\"Quantity summaries do not include work items associated with
installation of utility lines, such as excavation, backfill, and asphalt
trench patching.\"

Drawing 602/41,158B (Phase 1), Sheet 56 of 233

3\. REVISE the note in the upper right corner of the drawing from \"SEE
SHEET C43\" to \"SEE SHEET C45\".

Drawing 602/41,158B (Phase 1), Sheet 81 of 233

4\. REVISE the note referencing the 8-inch gate valve on the raw water
line plan view at Station 17+00 to read \"17+00\" instead of \"29+00.

Drawing 602/41,158B (Phase 1), Sheet 98 of 233

5\. On the PRESSURE REDUCING VAULT PLAN detail, DELETE the 3-inch bypass
line located on the upper branch of the pipe assembly and instead, in
its place, PROVIDE a mirror image of the gate valve, pressure reducing
valve, and strainer called for on the lower branch of the pipe assembly.

6\. On the PRESSURE REDUCING VAULT PLAN detail, reverse the order of
items 6 (strainer) and 7 (pressure reducing valve).

7\. On the US F&WS METER VAULT PLAN detail, DELETE item 24 (ladder
rungs), CHANGE item 21 (3\" check valve) to item 9 (3\" gate valve),
DELETE the 2\' 8\" long by 3\" spool, and show item 16 (3\" compound
meter with strainer) as 2\' 0\" long.

Drawing 602/41,158B (Phase 1), Sheets 130 through 137 of 233

8\. On the \"Symbol Key\" on each sheet, DELETE \"Xeri-Spray 360 (not
shown) see

Detail 1/LD7\".

9\. On the \"Symbol Key\" on each sheet, CHANGE \"HDPE\" to \"PVC\" at
all occurrences.

Drawing 602/41,158B (Phase 1), Sheets 133 through 137 of 233

10\. Where xeri-spray zones are shown on the drawings (denoted as \"XS\"
in the valve key symbol), DELETE the xeri-spray lines, xeri-stake
devices, and flush plugs, all located downstream of the xeri-spray zone
valve. The zone valve and its associated assembly is to remain, as shown
on Detail 5, sub-sheet LD6, but the irrigation line shall terminate on
the downstream side of the valve assembly.

Drawing 602/41,158B (Phase 1), Sheet 141 of 233

11\. On Details 10 and 11, DELETE the note \"Imprinted design. Final
pattern to be provided by Client.\"

Drawing 602/41,158B (Phase 1), Sheet 143 of 233

12\. For the call outs and notes on Details 2, 5, 6, 7, and 11, CHANGE
\"HDPE\" to \"PVC\" at all occurrences.

13\. DELETE Detail 10, \"Emission Device on Xeri-Stake\".

Drawing 602/41,158B (Phase 1), Sheet 144 of 233

14\. DELETE Detail 1, \"Xeri-Stake Spacing Layout\".

15\. On Detail 5, \"Irrigation Materials List\", DELETE \"XS-360TS-SPYK
Rain Bird Xeri-Spray 360 (19.8 GPH @ 20 psi) - - Not shown (spacing at 6
feet)\".

16\. On Detail 5, \"Irrigation Materials List\", CHANGE \"HDPE\" to
\"PVC\" at all occurrences.

Drawing 602/41,176 (Phase 2), Sheet 1 of 289

17\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 1A.

Drawing 602/41,176 (Phase 2), Sheet 2 of 289

18\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 2A.

Drawing 602/41,176 (Phase 2), Sheet 3 of 289

19\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 3A.

Drawing 602/41,176 (Phase 2), Sheet 168 of 289

20\. For the two house lots located on the east side of the water
facility access road, and for the southern-most house lot located on the
west side of the water facility access road, DELETE all plantings shown
on the drawing with the exception of the \"50 grasses\". This will
result in a revision in the quantity of plants shown on the plant list
as follows: CL - 4; FV - 7; PF - 2; BAS - 9; CAA - 31.

Drawing 602/41,176 (Phase 2), Sheets 170 through 174 of 289

21\. On the \"Irrigation Schedule\" on each sheet, and in the boxed
notes on each sheet, CHANGE \"HDPE\" to \"PVC\".

Drawing 602/41,176 (Phase 2), Sheet 174 of 289

22\. For the two house lots located on the east side of the water
facility access road, and for the southern-most house lot located on the
west side of the water facility access road, DELETE the irrigation
system including \"Controller C\", main lines, drip valve assemblies,
drip lines, tubing, and emitters. The valve assembly located at \"Point
of Connection #3\" shall REMAIN up to the quick coupling valve for
future use. The sleeves to be installed under the water facilities
access road shall also REMAIN.

Drawing 602/41,176 (Phase 2), Sheet 171 of 289

23\. On the \"Irrigation Schedule\", CHANGE \"Polyethylene\" to \"PVC\".

Drawing 602/41,176 (Phase 2), Sheet 183 of 289

24\. For the call outs and notes on Details 13, 15, 16, and 17, CHANGE
\"HDPE\" to \"PVC\".

Drawing 602/41,176 (Phase 2), Sheet 190 of 289

25\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 190A.

Drawing 602/41,176 (Phase 2), Sheet 191 of 289

26\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 191A.

Drawing 602/41,176 (Phase 2), Sheet 192 of 289

27\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 192A.

Drawing 602/41,176 (Phase 2), Sheet 193 of 289

28\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 193A.

Drawing 602/41,176 (Phase 2), Sheet 194 of 289

29\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 1904.

Drawing 602/41,176 (Phase 2), Sheet 197 of 289

30\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 197A.

Drawing 602/41,176 (Phase 2), Sheet 198 of 289

31\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 198A.

Drawing 602/41,176 (Phase 2), Sheet 200 of 289

32\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 200A.

Drawing 602/41,176 (Phase 2), Sheet 201 of 289

33\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 201A.

Drawing 602/41,176 (Phase 2), Sheet 202 of 289

34\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 202A.

Drawing 602/41,176 (Phase 2), Sheet 203 of 289

35\. The drawing was DELETED in its entirety and REPLACED with revised
Sheet 203A.

Drawing 602/41,176 (Phase 2), Sheet 206 of 289

36\. PRE-ENGINEERED METAL BUILDINGS notes, Note 4, line 3. DELETE
\"APPROVAL\" and REPLACE with \"REVIEW\".

37\. PRE-ENGINEERED METAL BUILDINGS notes, Note 4, line 3. After
\"PORTAL FRAMES,\" ADD \"MONORAIL TRACK, TRACK BRACING, HANGERS,
CONNECTIONS AND ACCESSORIES,\".

38\. PRE-ENGINEERED METAL BUILDINGS notes, Note 6, line 2. DELETE \"18
PSF\" and REPLACE with \"14 PSF\".

39\. PRE-ENGINEERED METAL BUILDINGS notes, Note 6, line 5. DELETE
\"BUILDING COMPONENTS.\" and replace with \"BUILDING COMPONENTS,
INCLUDING WEIGHTS OF THE COLLATERAL LOADS INDICATED ABOVE, MONORAIL,
TRACK, TROLLEY, HOIST, BRACING, AND ACCESSORIES FOR SEISMIC. THE
BUILDING SHALL BE DESIGNED TO RESIST THE VERTICAL, LONGITUDINAL AND
HORIZONTAL MONORAIL LOADS.\".

40\. PRE-ENGINEERED METAL BUILDINGS notes. After note 10, ADD \"11. THE
METAL BUILDING MANUFACTURER SHALL DESIGN AND PROVIDE THE MONORAIL TRACK,
TRACK BRACING, HANGERS, CONNECTIONS, LATERAL SUPPORT FRAMING, AND
BRACING AS REQUIRED FOR LONGITUDINAL AND LATERAL LOADS. SEE ADDITIONAL
MONORAIL NOTES ON SUB-SHEET SO4 AND SD5.\".

41\. STEEL DECK notes. DELETE notes 2, 3 and 5 in their entirety.

Drawing 602/41,176 (Phase 2), Sheet 210 of 289

42\. FRAMING NOTES. Note 7, DELETE in its entirety and replace with,
\"7. 1-TON MONORAIL HOIST. SEE PRE-ENGINEERED METAL BUILDING NOTES ON
DRAWING S00 AND MONORAIL NOTES ON DRAWING SD5. HOOK HEIGHT ELEVATION IS
12 FEET ABOVE FINISHED FLOOR.\"

43\. FRAMING NOTES. Note 8, DELETE in its entirety and replace with,
\"8. PLYWOOD SHEATHING SHALL BE ¾\" APA RATED EXPOSURE 1, T&G AND SHALL
BE ATTACHED WITH #10-16 X 1 13/16\" (PHF) SELF DRILLING SCREWS @ 6\" OC
AT ALL PANELS EDGES AND @ 12\" OC AT INTERMEDIATE SUPPORT LOCATIONS.
SHEATHING SHALL SPAN AS SHOWN.\".

44\. DETAIL 4, FRAMING PLAN. DELETE leader note \"1 ½\" METAL ROOF
DECK\", leader arrow and deck span symbol.

45\. DETAIL 4, FRAMING PLAN. DELETE leader note \"PLYWOOD ROOF SHEATHING
OVER METAL DECK\", leader arrow and sheathing span symbol.

46\. DETAIL 4, FRAMING PLAN. Between grid lines B and C, below dimension
20\'-0\" ADD \"NOTE: 1-TON CAPACITY MONORAIL HOIST AND TRACK. SEE
ARCHITECTURAL DRAWINGS FOR LOCATION. FOR ADDITIONAL INFORMATION SEE NOTE
7 THIS SHEET AND MONORAIL NOTES ON SUB-SHEET SD5\".

Drawing 602/41,176 (Phase 2), Sheet 215 of 289

47\. Add the following:

\"MONORAIL NOTES

1\. MONORAIL TRACK, TRACK BRACING, HANGERS, CONNECTIONS TO BE FURNISHED
BY THE PRE-ENGINEERED METAL BUILDING MANUFACTURER SHALL BE CAPABLE OF
SUPPORTING AN ALLOWABLE WORKING LOAD WHICH INCLUDES THE WEIGHT OF THE
TRACK, HOIST, TROLLEY, BRACING, HANGERS, AND ACCESSORIES PLUS IMPACT
LOAD OF 1.25 TIMES THE HOIST CAPACITY. THE ALLOWABLE WORKING LOAD
CAPACITY OF THE HANGERS AND CONNECTIONS SHALL BE TWICE THE ALLOWABLE
WORKING LOADS INDICATED IN THE PREVIOUS SENTENCE.

2\. CONCENTRATED MONORAIL LOAD: DL= HOIST TRACK, BRACING, HANGERS, AND
ACCESSORIES TO BE DETERMINED BY THE PRE-ENGINEERED METAL BUILDING
MANUFACTURER. LL= 3.4KIPS ( HOIST + LOADS + 25%IMPACT). THE CONCENTRATED
LIVE LOAD SHALL BE A MINIMUM USED IN THE DESIGN BY THE METAL BUILDING
MANUFACTURER.

3\. MONORAIL TRACK SHALL BE STANDARD \"I\" BEAM SECTIONS OR TRACKS THAT
ARE STANDARD WITH THE MONORAIL MANUFACTURER.

4\. MONORAIL TRACK SPLICES SHALL BE CENTERED UNDER THE HANGER SUPPORTS.
MONORAIL TRACK SPLICES SHALL BE DESIGNED TO HAVE THE CAPABILITY OF
TRANSFERRING THE DEAD LOAD WEIGHT OF TRACK, TROLLEY AND HOIST X1.25
TIMES HOIST CAPACITY FROM ONE TRACK TO ANOTHER.

5\. PROVIDE END STOPS AT THE ENDS OF THE MONORAIL TRACKS.

6\. MONORAIL HOIST, TRACK, HANGERS, BRACING, CONNECTIONS AND ACCESSORIES
SHALL BE SUBMITTED TO CONTRACTING OFFICER FOR REVIEW.\"

Drawing 602/41,176 (Phase 2), Sheet 216 of 289

48\. Detail 9, DELETE leader note and associated material on the detail
\"PLYWOOD SHEATHING\".

49\. Detail 9, DELETE leader note \"METAL DECKING\" and REPLACE with
\"STANDING SEAM METAL ROOF\".

Drawing 602/41,176 (Phase 2), Sheet 225 of 289

50\. INCORPORATE the requirements of Exhibits A and B, located at the
end of Specification Section 02512 (Foundation Drain System) into Detail
2, OVER EXCAVATION AND BACKFILL DETAIL

51\. For DETAIL 2, OVER EXCAVATION AND BACKFILL DETAIL,DELETE the ¾-inch
minus free-draining material, the geogrid, and the 30-mil moisture
retarder located at the bottom of the over excavation. The filter fabric
remains.

END