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| 1 | Excavating in post holes ( or similar holes) each n.exc 0.5 cum getting out and removing surplus soil to a distance n.exc 50m and making good surface, in soft/loose soil complete all as specified and directed by Engr-in-charge. |
| 2 | M & L for PCC type C2 1:3:6 using 40 mm graded crushed stone aggregates as in foundations ,fillings and mass concrete complete all as specified and directed by Engr-in-charge. |
| 3 | S & F Roof trusses (framed) of angle iron members trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc complete all as specified and directed by Engr-in-charge. |
| 4 | S & F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment using Fe 410 -W (Gde E- 250) quality A complete all as specified and directed by Engr-in-charge. |
| 5 | M&L for preparing of new steel & ironsurfaces of any description, not otherwise described, over 10cm width or girth and applying two coats of synthetic enameled paint over a coat of Red oxide zinc chrome primer zinc chrome complete all as specified and as directed. |
| 6 | M & L for pre-painted hot-dip aluminium-zinc alloy metallic coated of any profile steel sheet corresponding to IS 15965:2012 of durability class 3, atmospheric classification category 3, coating class AZ150, 0.50 mm thick, of an approved colour and having yield strength of 550 MPa as in roof covering fixed with self tapping screws as specified up to anyheight including all necessary scaffolding and safety measurescomplete all as specified and directed. |
| 7 | M & L forpre-paintedhot-dip aluminium-zinc alloy metallic coated plain steel sheet as per IS 15965:2012 of durability class 3, atmospheric classification category 3, coating class AZ150, 0.50 mm thick, of an approved colour and having yield strength of 550 MPa as in ridge/ valley/ gutter fixed with self tapping screws as specifiedany heightMtr height including all necessary scaffolding and safety measurescomplete all as specified and directed. |
| 8 | S & F wind ties for roof including securing bolts, flat iron fillets(for securing weather boarding with screw bolts and nuts) includingall necessary drilling or riveting etc and similar work conforming to Fe 410-O or Fe-310-O, complete all as specified and directed |
| 9 | Taking down old unsv earthing with GI plate, GI wire,GI Strip, GI pipe complete all as specified and directed by engr-in-charge. |
| 10 | Material andlabour for earthing complete with Galvanised steel earth plate electrode 600x600x6 mmmm buried directly in ground (Earthpit not less than2.25m below ground level) with top edge of theplate not less than 1.5m below normal groundlevel, connected to GI wire 4 mmasearth lead by means of bolt, nuts, check nutsandwashers of galvanised iron or steel, upto 7.5mlength, earth strip protected by andincluding 15 mm diaGI pipe ( medium grade) andconnected to main test point or body of pole/pannel or lightening arrester of main controlling switch as directed including concrete pit in PCC(1:3:6)type C1 , Precast RCC(1:2:4)TypeB1 coverslab of size 54x54x5 cm reinforced with 8 mm dia TMT bars @ 100mm C/C bothwayswith onehandle for lifting made out of 10 mm dia TMT bar embedded in precast cover slab, funnel, wire mesh, 20 mm boreGI Pipe (Medium Grade) for watering, Charcoal andsalt in alternate layers of 15 cm (Compacted Thickness) around the earth electrode including necessary excavation, earth work in any typeof soil anddisposal of spoil to a distance n.exc50 m andnecessary testing complete all asshown in Electrical Plate No 3 of SSRPart-I.NOTE : 1. The unit rare includes for protectionh GI pipe of 15mm and watering pipe of 20mm bore including excavation for earth pit in any type of soil/disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to acheive desired result as the soil resisitivity is very high. 3. The cost of GI wireincluding protection pipe,from top of earth plate upto 7.5 meter above/below ground level is deemed to be included in the unit rate. 4. All the joints in GI wire and connectgion with earth plate to be welded through brazing and in addition by providing double brass nut bolt and washer. 5.Costing of welding and nut bolts are deemed to be included in the unit rate. |
| 11 | Material andlabour for earthing complete with Galvanised steel earth plate electrode 600x600x6 mmmm buried directly in ground (Earthpit not less than2.25m below ground level) with top edge of theplate not less than 1.5m below normal groundlevel, connected to galvanised iron strip 32 x 6 mmasearth lead by means of bolt, nuts, check nutsandwashers of galvanised iron or steel, upto 7.5mlength, earth strip protected by andincluding 40 mm diaGI pipe ( medium grade) andconnected to main test point or body of pole/pannel or lightening arrester of main controlling switch as directed including concrete pit in PCC(1:3:6)type C1 , Precast RCC(1:2:4)TypeB1 coverslab of size 54x54x5 cm reinforced with 8 mm dia TMT bars @ 100mm C/C bothwayswith onehandle for lifting made out of 10 mm dia TMT bar embedded in precast cover slab, funnel, wire mesh, 20 mm boreGI Pipe (Medium Grade) for watering, Charcoal andsalt in alternate layers of 15 cm (Compacted Thickness) around the earth electrode including necessary excavation, earth work in any typeof soil anddisposal of spoil to a distance n.exc50 m andnecessary testing complete all asshown in Electrical Plate No 3 of SSRPart-I.NOTE : 1. The unit rare includes for protectionh GI pipe of 40mm and watering pipe of 20mm bore including excavation for earth pit in any type of soil/disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to acheive desired result as the soil resisitivity is very high. 3. The cost of GI stripincluding protection pipe,from top of earth plate upto 7.5 meter above/below ground level is deemed to be included in the unit rate. 4. All the joints in GI strip and connectgion with earth plate to be welded through brazing and in addition by providing double brass nut bolt and washer. 5.Costing of welding and nut bolts are deemed to be included in the unit rate. |
| 12 | Material and labour for laying of GI tubing20 mm bore, medium grade, ISI marked, conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 like elbow, socket, tee, reducer, nipple, short piece, union etcas required at site and laid in trenches incl connecting with existing lines all as directed by Engr-in-charge.Note: Contractor has to submit the test certificate and purchase voucher of pipes before claiming payment. |
| 13 | Material and labour for laying of GI tubing40 mm bore, medium grade, ISI marked, conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 like elbow, socket, tee, reducer, nipple, short piece, union etcas required at site and laid in trenches incl connecting with existing lines all as directed by Engr-in-charge.Note: Contractor has to submit the test certificate and purchase voucher of pipes before claiming payment complete all as specified and directed by Engr-in-charge. |
| 14 | M&L for earth continuity conductor or main earthing lead fixed to wall or batten as recess and chases or burried on ground or drawn in conduit pipe fixed to poles or any indicated situation for loop earthing as required with 32X6mm GI strips complete all as specified and directed by Engr-in-charge. |
| 15 | Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4mm dia galvanised iron or steel wire complete all as specified and directed by engr-in-charge. |
