CA NO GE/AFJ-42/2021-22 SPL REPAIR/REPLACEMENT OF CI PIPES TO DI PIPES AND ALLIED WORK SERVICES FOR WATER SUPPLY AT AF STN JAMMU

Amount

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m in depth for foundation etc or for shafts, wells, cesspits, manholes pier holes etc not exc. 10sqm on plan and not exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layer not exceeding 25 cms thick after laying and testing of cable complete all as specified and directed.

Removing excavated soil to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m above starting point complete all as specified and directed by Engineer-in-Charge.

Taking up cast iron/GI water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead for following pipes:

(a) 80mm dia

(b) 100mm dia

(c) 150mm dia

(d) 200mm dia

Supply , laying, jointing & testing of DI Type K-7 pipe with socket & spigot ends, with cement morter zinc coated out side as per IS 8329/2000 in standard length suitable for and including push on tyton joints with rubber rings, laid in trenches all as specified & directed and directed by Engr in charge. (Excavation and earth work, DI specials will be measured and paid seperately)

(a) 80mm dia

(b) 100mm dia

(c) 150mm dia

(d) 200mm dia

Taking up /down steel tubing including all fittings for following pipes:

(a) GI pipe 40mm to 50mm

(b) GI pipe 25mm

(c) GI pipe 20mm

(d) GI pipe 15mm

Supply and laying in trenches Galvanised steel (Gl) tubing 'Medium grade' with screwed socket joints, together with all tube fittings (such as bends, elbows, tees, short pieces, connectors, backnuts, diminishing pieces, caps, plugs and unions, etc.) with cutting, screwing, making forged bends on piping as required. insertion of Connectors where required or directed. including cutting through walls, floors, etc. making good all as specified and as directed for following size of pipes:

(a) GI pipe 50mm

(b) GI pipe 40mm

(c) GI pipe 25mm

(d) GI pipe 20mm

(e) GI pipe 15mm

S & F for mechanical type joint made of MS sheet of size 6/8 mm thick along with rubber gasket nuts bolts and washers suitable for 80 mm bore dia of CI/DI pipe. Including Taking up or down old u/s joint all as specified and directed.

All as per item No :8 above but 100 mm bore dia

All as per item No :8 above but 150 mm bore dia

All as per item No :8 above but 200 mm bore dia

Supply and fixing and testing CI sluice valves both ends flanged and drill in with brass spindle and brass check nuts, hand wheel made out of CI complete suitable for tested hydrostatic pressure 15 Kg/Sqcm. (PN 1.6) and confirming to IS 780 complete and of size 200mm dia complete all as specified and directed.

All as per Item :12 above but of size 150mm dia

All as per Item :12 above but of size 100mm dia

All as per Item :12 above but of size 80mm dia

M& L for MS/CI/DI fittings up to 150 mm bore such as collar, bends (any type radius, any angle, double end socketted or double flanged or spigot & socket, tail pieces (all socketed or all flanged with an equal & other end tapering bellmouth or flanged plates, connecting pieces straight (both end flanged or socketed of socket & flanged & spigot ends or bellmouth tailpieces ( one end flanged & other end spigot or socket or tatering as bell mouth or flanged ) caps blank flanges heavy duty suitable for mechanical joint/flanged joint with and incl taking down old fitting of any type and any size all as specified & directed by Engineer In Charge Note: Certifiacte for Weight of fitting by the manufacturere shall be submitted before payment.

M& L for MS/CI/DI fittings up to 200 mm bore such as collar, bends (any type radius, any angle, double end socketted or double flanged or spigot & socket, tail pieces (all socketed or all flanged with an equal & other end tapering bellmouth or flanged plates, connecting pieces straight (both end flanged or socketed of socket & flanged & spigot ends or bellmouth tailpieces ( one end flanged & other end spigot or socket or tatering as bell mouth or flanged ) caps blank flanges heavy duty suitable for mechanical joint/flanged joint with and incl taking down old fitting of any type and any size all as specified & directed by Engineer In Charge Note: Certifiacte for Weight of fitting by the manufacturere shall be submitted before payment.

Supply and fixing cast iron non return valve heavy duty ISI marked with jointing material flanged joint rubber gasket 6 mm thick nuts, MS nuts, bolts, washers including taking out of existing unserviceable one complete all as specified of size 150 mm bore, complete all as specified and directed by Engineer-in-Charge .

Supply and fixing cast iron non return valve heavy duty ISI marked with jointing material flanged joint rubber gasket 6 mm thick nuts, MS nuts, bolts, washers including taking out of existing unserviceable one complete all as specified of size 100 mm bore, complete all as specified and directed by Engineer-in-Charge .

Material and labour for construction of masonary valve chamber of internal size 600x600x600mm with brick masonary set in cement mortar 1:6 over 100mm thick PCC (1:4:8) type D2 concrete foundation, 50mm thick PCC (1:2:4) type B1 in coping 15mm thick plaster in cm (1:4)m for internal surfaces of walls and externally upto 15cm below ground level, including MS sheet 3.15mm thick hinged cover with locking arrangements including lifting handle fixed to 50x50x6mm angle iron frame embedded in PCC coping including two coats of synthetic enamel paint to steel surfaces; over a coat of red oxide primer including necessary excavation and earth work in any type of soil and removal of surplus excavated soil to a distance not exceeding 50mtr including dismantling of old broken valve pit chamber complete all as specified and diretcted

Material and labour for construction of masonary valve chamber of internal size 900 x 900 x 900 mm with brick masonary set in cement mortar 1:6 over 100mm thick PCC (1:4:8) type D2 concrete foundation, 50mm thick PCC (1:2:4) type B1 in coping 15mm thick plaster in cm (1:4)m for internal surfaces of walls and externally upto 15cm below ground level, including MS sheet 3.15mm thick hinged cover with locking arrangements including lifting handle fixed to 50x50x6mm angle iron frame embedded in PCC coping including two coats of synthetic enamel paint to steel surfaces; over a coat of red oxide primer including necessary excavation and earth work in any type of soil and removal of surplus excavated soil to a distance not exceeding 50mtr including dismantling of old broken valve pit chamber complete all as specified and diretcted

Material and labour for construction of masonary valve chamber of internal size 1200 x 1200 x 1000 mm with brick masonary set in cement mortar 1:6 over 100mm thick PCC (1:4:8) type D2 concrete foundation, 50mm thick PCC (1:2:4) type B1 in coping 15mm thick plaster in cm (1:4)m for internal surfaces of walls and externally upto 15cm below ground level, including MS sheet 3.15mm thick hinged cover with locking arrangements including lifting handle fixed to 50x50x6mm angle iron frame embedded in PCC coping including two coats of synthetic enamel paint to steel surfaces; over a coat of red oxide primer including necessary excavation and earth work in any type of soil and removal of surplus excavated soil to a distance not exceeding 50mtr including dismantling of old broken valve pit chamber complete all as specified and diretcted

M &L for cutting through existing road surface/hard standing i.e bitumenous surface,WBM soling,etc and making trench of minimum 900mm in deapth and 500 mm wide along the cross section of road and Supply and lay Reinforced concrete pipes of 300mm dia, calass NP2 ,laid and jointed complete with collors for protection ofpip[es /cables under road crossing, including returning filling and well ramming and removal of surplus spoil

PCC in mass concrete type C1,1:3:6 ( 20 mm graded aggregate) for correction of road cuttings drains complete all as specified and directed by Engineer-in-Charge .

Rendering 10 mm thick on fair faces of concrete surface in 1:4 finished even and smooth using extra cement complete all as specified and directed by Engineer-in-Charge .

SCHEDULE 'A' PART-II (Schedule of credit) Credit amount of Rs (Refer schedule of credit) for retrieved material mentioned in Sch 'A' Part-II of Tender documents in PDF form will be deducted offline during acceptance of tender of lowest bidder.

Note: (1) The repair has to carried out as and when required basis and accordingly site will be available in piecemeal wise and as directed by Enginer-in-Charge in the Air Force station area

MAMTA ENTERPRISES

Harsh Electricals

M/S DC CONSTRUCTIONS