Metal. 9.1 On vertical piping and vessels "s" clips should be used while installing metal. Also, "j" clips or “u” clips should be used to hold bands on all vessels. The “j” or “u” clips shall be installed at a minimum of 6 feet apart. On 1-1/4" corrugated metal or larger, .040 SS S-clips shall be used with a minimum of two (2) clips per sheet. 9.2 Self-tapping sheet metal screws or pop rivets should be used to eliminate fish mouths. 9.3 Bands shall be no further apart than 12 inches on piping. 9.4 On vessels over 12 feet in diameter, bands shall have expansion springs. 9.5 Cutouts for manholes and larger holes on vessels shall be made from two pieces of metal. 9.6 Gores and lunes shall both be crimped and beaded. Screws and pop rivets shall be installed no further than 8 inches apart along laps. 9.7 On large corrugated sheets, the lap shall be 1 and 1/2 corrugations minimum. 9.8 Cutouts shall be within 1/8 of an inch of the surface cut out for. 9.9 All metal shall be installed for watershed. 9.10 Expansion joint sleeves shall have the bands, screws, or any other fasteners left off one end, to allow for expansion. 9.11 Caulking shall be used in a 1/4 inch bead and smoothed to a fine finish. 9.12 Flashing will be used on all heads of vertical tanks when necessary for watershed. 9.13 Chokers for bands shall be made of stainless steel wire and double tied. 9.14 No Staples shall be used on metal. 9.15 Metal shall have no exposed straight cut leading to any cutouts unless proper backing is used. 9.16 When PVC plastic covers are used with metal outdoors, they shall be coated with a protective finish. Metal elbows shall be applied so the heel is tightly lapped. 9.17 End caps and conicals shall be secured to the adjacent metal with screws or pop rivets at ¼ intervals at a minimum. 9.18 Where screws are used to secure metal jacketing they will be installed on 6 inch centers minimum. 9.19 Caulking shall be used on cutouts and laps exposed to weather. 9.20 Metal end caps are required with metal jacketing. PVC or mastic is not to be used.
Appears in 2 contracts
Sources: Master Agreement, Master Agreement
Metal. 9.1 On vertical piping and vessels "s" clips should be used while installing metal. Also, "j" clips or “u” clips should be used to hold bands on all vessels. The “j” or “u” clips shall be installed at a minimum of 6 feet apart. On 1-1/4" corrugated metal or larger, .040 SS S-clips shall be used with a minimum of two (2) clips per sheet.
9.2 Self-tapping sheet metal screws or pop rivets should be used to eliminate fish mouths.
9.3 Bands shall be no further apart than 12 inches on piping.
9.4 On vessels over 12 feet in diameter, bands shall have expansion springs.
9.5 Cutouts for manholes and larger holes on vessels shall be made from two pieces of metal.
9.6 Gores and lunes shall both be crimped and beaded. Screws and pop rivets shall be installed no further than 8 inches apart along laps.
9.7 On large corrugated sheets, the lap shall be 1 and 1/2 corrugations minimum.
9.8 Cutouts shall be within 1/8 of an inch of the surface cut out for.
9.9 All metal shall be installed for watershed.
9.10 Expansion joint sleeves shall have the bands, screws, or any other fasteners left off one end, to allow for expansion.
9.11 Caulking shall be used in a 1/4 inch bead and smoothed to a fine finish.
9.12 Flashing will be used on all heads of vertical tanks when necessary for watershed.
9.13 Chokers for bands shall be made of stainless steel wire and double tied.
9.14 No Staples shall be used on metal.
9.15 Metal shall have no exposed straight cut leading to any cutouts unless proper backing is used.
9.16 When PVC plastic covers are used with metal outdoors, they shall be coated with a protective finish. Metal elbows shall be applied so the heel is tightly lapped.
9.17 End caps and conicals shall be secured to the adjacent metal with screws or pop rivets at ¼ intervals at a minimum.
9.18 Where screws are used to secure metal jacketing they will be installed on 6 inch centers minimum.
9.19 Caulking shall be used on cutouts and laps exposed to weather.
9.20 Metal end caps endcaps are required with metal jacketing. PVC or mastic is not to be used.
Appears in 1 contract
Sources: Master Agreement