Patent Number: 
Section: claims

1. An installation method of equipment, comprising:forming a pit container unit including a first frame, reinforcing steel members, a pit container, and an anchor member supporting mechanism, the forming including:disposing the first frame at a location different from an installation location of the equipment,disposing the reinforcing steel members proximate to the first frame to reinforce the first frame,placing the pit container on the first frame inside the reinforcing steel members, andattaching an anchor member supporting mechanism to the pit container, the anchor member supporting mechanism including a supporting member and a ring state reinforcing member, the supporting member supporting a ring state anchor member positioned at an outer peripheral side of the pit container, the supporting member being made up of a plurality of plate state members respectively protruding in a radial pattern from an outer peripheral portion of the pit container, the ring state reinforcing member having a center hole wherein a part of each reinforcing steel member is passed through a gap formed between the center hole and an outer peripheral portion of the pit container, the ring state reinforcing member integrally supporting the plurality of plate state members from a bottom side;placing a second frame on a base to be the installation location of the equipment;placing the pit container unit on the second frame via the first frame;embedding a portion of the pit container unit and the second frame not including the anchor member supporting mechanism, in concrete by using a primary concrete pour;disposing an anchor bolt unit including a plurality of foundation bolts for equipment installation fixed to the ring state anchor member, on the anchor member supporting mechanism after embedding the portion of the pit container unit by the primary concrete pour;correcting a positional relationship of the plurality of foundation bolts relative to the pit container by using a template member having a plurality of positioning holes into which the plurality of foundation bolts on the anchor bolt unit are individually inserted;embedding the pit container unit and the anchor bolt unit in concrete using a secondary concrete pour,wherein the secondary concrete pour does not embed the template member in concrete, andwherein the positional relationship of an opening portion of the pit container and the plurality of foundation bolts is maintained by the template member after the secondary concrete pour;removing the template member;moving the equipment into the pit container after removal of the template member; andfixing the equipment via the plurality of foundation bolts. 2. The installation method of equipment according to claim 1, wherein bottom sides of foundation bolt main bodies of the anchor bolt unit are respectively welded at predetermined positions on the ring state anchor member respectively corresponding to positions of plural installation holes bored at a casing of the equipment in advance and positions of the plural positioning holes on the template member. 3. The installation method of equipment according to claim 1, wherein correcting the positional relationship of the pit container and the plurality of foundation bolts includes:spot welding the supporting member to the ring state anchor member after the position of the foundation bolts has been corrected to fall within a tolerance range by inserting the foundation bolts into the positioning holes of the template member. 4. The installation method of equipment according to claim 1, wherein the equipment is a vertical pump. 5. The installation method of equipment according to claim 3, wherein correcting the positional relationship of the pit container and the plurality of foundation bolts includes:removing the template member and disposing additional reinforcing steel members to reinforce an upper side of the pit container unit after the supporting member and the ring state anchor member are spot welded. 6. An installation method of equipment, comprising:forming a pit container unit including a first frame, reinforcing steel members, a pit container, and an anchor member supporting mechanism, the forming includingdisposing the first frame at a location different from an installation location of the equipment,disposing the reinforcing steel members proximate to the first frame to reinforce the first frame,placing the pit container on the first frame inside the reinforcing steel members, andattaching an anchor member supporting mechanism to the pit container, the anchor member supporting mechanism including a supporting member to support a ring state anchor member positioned at an outer peripheral side of the pit container, and a ring state reinforcing member having a center hole wherein a part of each reinforcing steel member is passed through a gap formed between the center hole and an outer peripheral portion of the pit container;placing a second frame on a base to be the installation location of the equipment;placing the pit container unit on the second frame via the first frame;embedding a portion of the pit container unit and the second frame not including the anchor member supporting mechanism, in concrete by using a primary concrete pour;disposing an anchor bolt unit including a plurality of foundation bolts for equipment installation fixed to the ring state anchor member, on the anchor member supporting mechanism after embedding the portion of the pit container unit by the primary concrete pour;correcting a positional relationship of the plurality of foundation bolts relative to the pit container by using a template member having a plurality of positioning holes into which the plurality of foundation bolts on the anchor bolt unit are individually inserted;embedding the pit container unit and the anchor bolt unit in concrete using a secondary concrete pour,wherein the secondary concrete pour does not embed the template member in concrete, andwherein the positional relationship of an opening portion of the pit container and the plurality of foundation bolts is maintained by the template member after the secondary concrete pour;removing the template member;moving the equipment into the pit container after removal of the template member; andfixing the equipment via the plurality of foundation bolts,wherein bottom sides of foundation bolt main bodies of the anchor bolt unit are respectively welded at predetermined positions on the ring state anchor member respectively corresponding to positions of a plurality of installation holes bored at a casing of the equipment in advance and positions of the plurality of positioning holes on the template member. 7. The installation method of equipment according to claim 6, wherein correcting the positional relationship of the pit container and the plurality of foundation bolts includes:spot welding the supporting member to the ring state anchor member after the position of the foundation bolts has been corrected to fall within a tolerance range by inserting the foundation bolts into the positioning holes of the template member. 8. The installation method of equipment according to claim 6, wherein the equipment is a vertical pump. 9. The installation method of equipment according to claim 7, wherein correcting the positional relationship of the pit container and the plurality of foundation bolts includes:removing the template member and disposing additional reinforcing steel members to reinforce an upper side of the pit container unit after the supporting member and the ring state anchor member are spot welded.