Repair/ replacement external water supply distribution system and sewage pumping system and other maint works in domestic area and Tech area at AF Stn Tezpur

Excavating in trenches not exc. 1.50M wide and not exc. 1.50M in depth for foundation etc and getting out in soft /loose soil, complete all as specified and directed.

Returning filling in soft/loose soil, including spreading, leveling, watering and well ramming in layers not exceeding 25 Cms, complete all as specified and directed.

Removing excavated soil n. exc 50m distance and depositing where directed at a level n.exc 1.5m above the starting point, complete all as specified and directed.

Supply and fix for 150 mm bore galvanised steel tubing 'medium grade' (IS-1239), with all fittings laid in trenches including taking up old GI steel tubing and connections, complete all as specified and as directed.

All as per Srl Item No 04 here-in-before but GI pipe 100 mm bore

All as per Srl Item No 04 here-in-before but GI pipe 80 mm bore

All as per Srl Item No 04 here-in-before but GI pipe 50 mm bore

Supply and fix for 50 mm bore galvanised steel tubing 'medium grade' (IS-1239) with all fittings, fixed to walls and ceilings or laid in floors including taking up or down old GI steel tubing and connections, complete all as specified and as directed.

All as per Srl Item No 08 here-in-before but GI pipe 40 mm bore

All as per Srl Item No 08 here-in-before but GI pipe 32 mm bore

All as per Srl Item No 08 here-in-before but GI pipe 25 mm bore

All as per Srl Item No 08 here-in-before but GI pipe 20 mm bore

M & L for 90 mm outer dia 3-layer PP-R(Polypropylene random copolymer pipes conceale pipes SDR-7.4(PN-16) stabilished and antimicrobial fusion welded having thermal stability for hot & cold water suppply alll PP-R plain & brass threaded polypropylene random fittings laid in trenches and including taking up or down old one PP-R (Polypropylene random copolymer pipes concealed pipes SDR-7.4 (PN-16) and connections complete from any location/position, complete all as specified and directed.

All as per Srl Item No 13 here-in-before PP-R pipes 63 mm outer dia

All as per Srl Item No 13 here-in-before PP-R pipes 50 mm outer dia

All as per Srl Item No 13 here-in-before PP-R pipes 32 mm outer dia

All as per Srl Item No 13 here-in-before PP-R pipes 25 mm outer dia

Relaying or re-fixing old 50 mm bore GI/Steel tubing and connections in new or old position including washing/cleaning, cutting and making including new fittings, complete all as specified and directed.

All as per Srl Item No 18 here-in-before GI pipe 40 mm bore

All as per Srl Item No 18 here-in-before GI pipe 32mm bore

All as per Srl Item No 18 here-in-before GI pipe 25mm bore

All as per Srl Item No 18 here-in-before GI pipe 20 mm bore

Supply, laying,connecting and testing 150 mm bore, ductile iron pipes socket and spigot class K- 9 suitable for including rubber gasket joint in standard working length conforming to IS 8329 laid in trenches nslcuding taking down or up old one GI/CI/DI tubing and connections complete from any location/position and remove to store, complete all as specified and as directed.

Supply, laying,connecting and testing 100 mm bore, ductile iron pipes socket and spigot class K- 9 suitable for including rubber gasket joint in standard working length conforming to IS 8329 laid in trenches nslcuding taking down or up old one GI/CI/DI tubing and connections complete from any location/position and remove to store, complete all as specified and as directed.

Supply, laying,connecting and testing 80 mm bore, ductile iron pipes socket and spigot class K- 9 suitable for including rubber gasket joint in standard working length conforming to IS 8329 laid in trenches including taking down or up old one GI/CI/DI tubing and connections complete from any location/position and remove to store, complete all as specified and as directed. Note for Srl item No 4.00 to 25.00 :- Earth work shall be measured and paid for separately, however only authorised width as mentioned in SSR shall be considered for payment purpose.

Supply and laying ductile iron fittings for spigot and socketed pipes such as bends (any type, radius and angle), Tapers any type, (Straight, bend, increasing, decreasing or double socket etc) Tee pieces single branch, 'Y' Junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs suitable for bore of pipe up to 150mm, complete all as specified and directed.

Supply and laying cast iron fittings for spigot and socketed pipes such as bends (any type, radius and angle), Tapers any type, (Straight, bend, increasing, decreasing or double socket etc) Tee pieces single branch, 'Y' Junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs suitable for bore of pipe up to 150mm, complete all as specified and directed.

Material and labour as in repair for run-lead joint 150mm bore spigot & socket ends CI Pipes/Fittings including leakage joint, complete all as specified and as directed.

All as Srl No 28 here-in-before but for CI pipe 100mm bore

All as Srl No 28 here-in-before but for CI pipe 80 mm bore

Materials and Labour for push on flexible joints with rubber gaskets conforming to IS 5382 for centrifugally cast (spun) ductile iron pressure pipes and fittings for water mains, with spigot and socketed ends, 80 mm bore, complete all as specified and directed.

Materials and Labour for push on flexible joints with rubber gaskets conforming to IS 5382 for centrifugally cast (spun) ductile iron pressure pipes and fittings for water mains, with spigot and socketed ends, 100 mm bore, complete all as specified and directed.

Materials and Labour for push on flexible joints with rubber gaskets conforming to IS 5382 for centrifugally cast (spun) ductile iron pressure pipes and fittings for water mains, with spigot and socketed ends, 150 mm bore, complete all as specified and directed.

Supply and fix in Replacement 80mm bore cast iron sluice valve with flanged ends heavy duty class PN-1.0, ISI marked, drilled holes for bolt, comprising of SS spindle and cast iron operated handle including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in Replacement 100mm bore cast iron sluice valve with flanged ends heavy duty class PN-1.0, ISI marked, drilled holes for bolt, comprising of SS spindle and cast iron operated handle including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in replacement 150mm bore cast iron sluice valve with flanged ends heavy duty class PN-1.0, ISI marked, drilled holes for bolt, comprising of SS spindle and cast iron operated handle including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in Replacement 80mm bore cast iron non return valve with flanged ends heavy duty (IS-5312), class PN 1.6, drilled holes for bolt, including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in Replacement 100mm bore cast iron non return valve with flanged ends heavy duty (IS-5312), class PN 1.6, drilled holes for bolt, including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in replacement 150mm bore Butterfly valve ISI marked, drilled holes for bolt, comprising of SS spindle and GI operated handle including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in replacement 100mm bore Butterfly valve ISI marked, drilled holes for bolt, comprising of SS spindle and GI operated handle including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in replacement 100mm bore Diapharm valve ISI marked, drilled holes for bolt, comprising of SS spindle and GI operated wheel handle including necessary rubber gasket joint with nut and bolts, complete all as specified and directed.

Supply and fix in repar cast iron air release valve flanged ends with double chamber, size 150mm bore, class PN 1.6 complete with all accessories, complete all as specified and directed.

Supply and fix in repair 25 mm outer dia PP-R gate valve( brass inserted), complete all as specified and directed.

All as per Srl item No 43 here-in-before 32 mm outer dia pipe

All as per Srl item No 43 here-in-before 50 mm outer dia pipe

All as per Srl item No 43 here-in-before 63 mm outer dia pipe

Supply and fix in repairs Gun metal globe or gate valves of 20 mm dia, complete all as specified and directed.

Supply and fix in repairs Gun metal globe or gate valves of 25 mm dia, complete all as specified and directed.

Supply and fix in repairs Gun metal globe or gate valves of 40 mm dia, complete all as specified and directed.

Supply and fix in repairs Gun metal globe or gate valves of 50 mm dia, complete all as specified and directed.

Supply and fix in repairs GI bend 80 mm bore medium grade, ISI marked, complete all as specified and directed.

Supply and fix in repairs GI Socket 80 mm bore medium grade, ISI marked, complete all as specified and directed.

Supply and fix in repairs GI Tee, medium grade, ISI marked of size 80 mm dia, complete all as specified and directed.

Supply and fix in repairs GI flange, medium grade, ISI marked of size 80 mm dia, complete all as specified and directed.

Supply and fix in repairs GI Tee, medium grade, ISI marked of size 100 mm dia complete all as specified and directed.

Supply and fix in repairs GI flange, medium grade, ISI marked of size 100 mm dia, complete all as specified and directed.

Supply and fix in repairs GI Tee, medium grade, ISI marked of size 150 mm dia, complete all as specified and directed.

Supply and fix in repairs GI flange, medium grade, ISI marked of size 150 mm dia, complete all as specified and directed.

Supply and fix in repair GI union threaded medium grade, ISI marked of size 50mm complete all as specified and directed.

Supply and fix in repair GI union threaded medium grade, ISI marked of size 40mm complete all as specified and directed.

Supply and fix in repair GI union threaded medium grade, ISI marked of size 32mm complete all as specified and directed.

Supply and fix in repair GI union threaded medium grade, ISI marked of size 25mm complete all as specified and directed.

Supply and fix in repair GI union threaded medium grade, ISI marked of size 20mm complete all as specified and directed.

Taking out 80 mm bore sluice valves, refacing, regrinding, repacking stuffing box with replacement of spindle with check nut and refixing the same in position, complete all as specified and directed.

Taking out 100 mm bore sluice valves, refacing, regrinding, repacking stuffing box with replacement of spindle with check nut and refixing the same in position, complete all as specified and directed.

Taking out 150 mm bore sluice valves, refacing, regrinding, repacking stuffing box with replacement of spindle with check nut and refixing the same in position complete all as directed. Note for item No 64 to 66: Spindle with check nut will be measured and paid separately under relevant item as supply only).

Supply only 80 mm bore class PN 1.0 stainless steel spindle for cast iron sluice valve, complete all as specified and directed.

Supply only 100 mm bore class PN 1.0 stainless steel spindle for cast iron sluice valve, complete all as specified and directed.

Supply only 150 mm bore class PN 1.0 stainless steel spindle for cast iron sluice valve, complete all as specified and directed.

Supply only 80 mm bore class PN 1.6 brass spindle with GM check nut for cast iron sluice valve, complete all as specified and directed.

Supply only 100 mm bore class PN 1.6 brass spindle with GM check nut for cast iron sluice valve, complete all as specified and directed.

Supply only 150 mm bore class PN 1.6 brass spindle with GM check nut for cast iron sluice valve, complete all as specified and directed.

Supply and fix in repairs graphite gland packing 6mm to 20mm, complete all as specified and directed.

Boring mechanically or manually in any type of soil of bore size 100mm to 25mm complete all as specified and directed.

Supply and fix as in repair submersible flat cable 3 core 10 Sqmm copper conductor with PVC insulated & PVC sheathed 1100 volts grade, complete all as specified and directed.

Excavation in any type of soil depth upto 2mtrs and length 6mtrs to 08 mtrs dewatering from trenches. Repairing to pipe line by providing new lead joint for 200 mm bore to 80 mm bore CI/DI pipe line and 200 mm to 50 mm bore GI tubing arrest the leakage by new GI fittings/accessories etc. complete all as specified and directed.

Taking up or down 25mm bore galvanised iron/steel tubing from borewell and replacement of injector of size 25mm bore and re-fixing the same in position with all necessary connection, complete all as specified and as directed.

M&L as in repair construction of valve pit chamber (Masonry) of size 120 cm x 120 cm x 120 cm depth (internal dimension) with sub class `B' bricks one brick thick wall in cement mortar (1:4), 10 mm thick plastering in cement mortar 1:4, PCC (1:4:8) type D-2 in foundation 150 mm thick, PCC (1:3:6) type C-1 as in bedding 100 mm thick, PCC (1:2:4) type B-1 in coping 40 mm thick including (40 x 40 x 6)mm MS angle iron frame, 3 mm thick MS cover plate with locking arrangement and painting to all steel surfaces with two coats of synthetic enamel paints over a coat of red oxide primer including surface preparation and necessary earth work and removal of spoil/rubbish upto a distance not exceeding 50 mtr and levelling as directed.

All as per Sel item No. 78 here-in-before (90cmx90cmx90cm) (Internal) complete all as specified.

All as per Sel item No. 78 here-in-before (45cmx45cmx45cm) (Internal) complete all as specified.

M&L as in repair (40 x 40 x 6)mm MS angle iron frame, 3 mm thick MS cover plate with locking arrangement and painting to all steel surfaces with two coats of synthetic enamel paints over a coat of red oxide primer including surface preparation and two coats of white wash to entire valve pit of any size, complete all as specified and directed.

Desilting/ cleaning of sewage/soakage well of depth 21.00 metres and 9.00 metres dia and taking out sludge in the form of solid manually and getting out and removal to a distance not exc.500 metres and burried the same in low laying area, complete all as specified and directed.

Supply only granular calcium hypochlorite with 65% to 70% available chlorine content and with maximum moisture content 10% suitable for disinfection of drinking water, complete all as specified. Note - Chemical shall be supplied in sealed HDPE containers weighing 45 Kgs / container.

Supply only Alumino Ferric Acid Grade 4 (Best quality as per sample with additional requirement for purification of watercontaining lead (as Pb) 30PPM max and arsenic (As 203) 6 PPM max confirming revised IS 299-2012, complete all as specified and directed.

Supply only poly aluminium chloride powder (raw water flocculant powder) Make : As per Sample.

M&L for painting of raising main, distribution, wash out and overflow pipes on over head tank/pump motor/underground sump with suitable colour coding of pipe dia 100mm /150mm by using synthetic enamelled paint first grade after scrapping/cleaning, complete all as specified and directed.

S&F in repair Digital Auto level controller 'Model ALC MK-I'' including top mounted Non-contact type Ultrasonic Liquid transmitter (Probe unit), level indicating controlling box including water Level Monitoring and control Digital Level Indicator transmitting range upto 6 mtrs or 10 mtrs with operating voltage 220 Volts and maximum temperature 60 degree, complete all as specified and directed.