MAINTENANCE AND REPAIR / REPLACEMENT OF PUMPING / DISTRIBUTION WATER LINES, REPAIRS TO VALVE PITS AND CONNECTED WORKS AT PHASE - I AND LRDE UNDER GE (I) RndD WEST BANGALORE

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of pipe lines etc and getting out in hard/dense soil complete all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick with excavated soils complete all as specified and as directed.

Removing excavated soils to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point all as specified and as directed.

Taking out existing unserviceable corroded galvanized iron tubing from trenches / walls / roof, providing material and labour for, Galvanized Iron tubing, medium grade, 50 mm dia with all fittings complete including all as specified and as directed. Notes for Sl Item Nos 04 to 19 :- i) Necessary excavation, earthwork will be measured and paid under respective items. Ii) Cost of Mild steel clamps, nuts, bolts, washers, etc., required for fixing pipes on walls, making holes in roof / walls and finishing the disturbed surfaces matching with adjacent surfaces, shall deemed to be included in these items only.

All as per serial Item No 04 here-in-above, but for 20 mm dia pipes.

Taking out existing galvanized iron tubing from trenches / walls / roof, re-fixing, medium grade, 50 mm dia with all fittings complete all as specified and as directed.

All as per serial Item No 6 here-in-above, but for 20 mm dia pipes.

Taking out existing CI/DI PIPES from trenches of any type and depth of 300 mm dia including burning of lead joints if required, Supply and lay, centrifugally cast, ductile iron pipes 300 mm dia, (ISI marked, conforming to IS 8329), K7 grade, with spigot and socket ends, laid in trenches complete all as specified and as directed.

Taking out existing CI/DI PIPES from trenches of any type and depth of 250 mm dia including burning of lead joints if required, Supply and lay, centrifugally cast, ductile iron pipes 250 mm dia, (ISI marked, conforming to IS 8329), K7 grade, with spigot and socket ends, laid in trenches complete all as specified and as directed.

Taking out existing CI/DI PIPES from trenches of any type and depth of 300 mm dia including burning of lead joints if required, Supply and lay, centrifugally cast, ductile iron pipes 150 mm dia, (ISI marked, conforming to IS 8329), K7 grade, with spigot and socket ends, laid in trenches complete all as specified and as directed.

Taking out existing CI/DI PIPES from trenches of any type and depth of 300 mm dia including burning of lead joints if required, Supply and lay, centrifugally cast, ductile iron pipes 100 mm dia, (ISI marked, conforming to IS 8329), K7 grade, with spigot and socket ends, laid in trenches complete all as specified and as directed.

Material and labour for push-on rubber gasket joints(Nylon rubber gasket) conforming to IS 5382, suitable for 300 mm dia ductile iron spigot socketed pipes, complete all as specified and as directed.

Material and labour for push-on rubber gasket joints(Nylon rubber gasket) conforming to IS 5382, suitable for 250 mm dia ductile iron spigot socketed pipes, complete all as specified and as directed.

Material and labour for push-on rubber gasket joints(Nylon rubber gasket) conforming to IS 5382, suitable for 150 mm dia ductile iron spigot socketed pipes, complete all as specified and as directed.

Material and labour for push-on rubber gasket joints(Nylon rubber gasket) conforming to IS 5382, suitable for 100 mm dia ductile iron spigot socketed pipes, complete all as specified and as directed.

Material and labour for, CI / DI specials suitable for spigot and socket end pipes such as bends, pieces, collar, sockets caps and plugs etc., suitable for 80 to 300 mm bore CI / DI pipes complete all as specified and as directed. NOTE:-Push on type joints will be measured and paid separately under respective items of Schedule.

Material and labour for, Galvanized Iron tubing, MEDIUM grade, 100 mm dia laid in trenches, floor /wall / roof with all fittings complete including taking out the existing un serviceable corroded galvanized iron tubing all as specified and as directed.

All as per Serial Item No 17 here-in-above, but of 80 mm dia pipe

All as per Serial Item No 17 here-in-above, but of 25 mm dia pipe

Material and labour for, CPVC pipe of pressure rating SDR 11, 20 mm dia heavy duty pipes, laid in trenches, floor /wall / roof with all fittings complete including taking out the existing un serviceable pipes all as specified and as directed. NOTE:- Cost of CPVC specials like brass elbow, brass tee, male / female threaded brass adopter, unions, flange etc shall deemed to included in this item only.

All as per Serial Item No 20 here-in-above, but of 16 mm dia pipe

Supply and fix in repairs Ball valves suitable for 16 mm dia CPVC pipe (minimum weight 210 grams) , high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe complete all as specified and as directed.

Taking out unserviceable/corroded GI union sockets, supply and fix new GI socket for 80 mm dia pipe including leak testing etc. all as specified and as directed.

All as per Item Sl No 23 here in before but for 50 mm dia pipes.

Cutting in existing GI raising main 50 mm dia and inserting GI Tee 50 mm x 50 mm size, including necessary short pieces, unions, socket, threading, jointing including leak testing etc complete all as specified and as directed.

Cutting in existing GI raising main 50 mm dia and inserting GI Tee 50 mm x 20 mm size, including necessary short pieces, unions, socket, threading, jointing including leak testing etc complete all as specified and as directed.

Taking out unserviceable / corroded, Galvanized Iron nipple 50 mm dia and inserting new 50 mm dia GI nipple, including leak testing complete all as specified and as directed.

All as per Sl Item No. 27 here-in-before but for 20 mm dia pipe.

Taking down unserviceable Gun metal globe or gate valve, ISI marked with iron wheel head, 50 mm dia, screwed both ends for iron pipes, complete all as specified and as directed.

All as per Sl Item No. 29 here-in-before but for 25 mm dia pipe.

All as per Sl Item No. 29 here-in-before but for 20 mm dia pipe.

Taking down unserviceable and supply and fix Brass spindle suitable for 300 mm dia sluice valves with check nut complete all as specified and as directed.

Taking down unserviceable and supply and fix Brass spindle suitable for 250 mm dia sluice valves with check nut complete all as specified and as directed.

Taking down unserviceable and supply and fix Brass spindle suitable for 150 mm dia sluice valves with check nut complete all as specified and as directed.

Taking down unserviceable and supply and fix Brass spindle suitable for 100 / 80 mm dia sluice valves with check nut complete all as specified and as directed.

Disconnecting and taking out unserviceable sluice valve, supply and laying new Sluice valve (cast iron body) with both ends flanged and iron wheel handle for clockwise operation, brass spindle heavy duty PN-1.6 class (IS-14846/2000), ISI marked, including 3 mm thick rubber gasket joint, nut, bolts & washers all as requirement of site for 300 mm dia pipe, complete all as specified and as directed.

All as per Sl Item No 36 here-in-above, but of 250 mm dia.

All as per Sl Item No 36 here-in-above, but of 150 mm dia.

All as per Sl Item No 36 here-in-above, but of 100 mm dia.

All as per Sl Item No 36 here-in-above, but of 80 mm dia.

Supply and fix in repairs bib taps standard of PTMT high pressure screwed for iron pipe 20 mm dia ((Minimum weight 15mm-90gms/20mm-125gms) and fixed complete all as specified and as directed.

Burning out run lead joints and providing new run lead joints with spun yarn of required quantity suitable for 300 mm dia bore CI pipe joints complete all as specified and as directed. NOTES FOR Sl Item Nos 42 to 46 :- Excavation and earth work will be measured and paid separately under relevant items of this Schedule.

Burning out run lead joints and providing new run lead joints with spun yarn of required quantity suitable for 250 mm dia bore CI pipe joints complete all as specified and as directed.

Burning out run lead joints and providing new run lead joints with spun yarn of required quantity suitable for 150 mm dia bore CI pipe joints complete all as specified and as directed.

Burning out run lead joints and providing new run lead joints with spun yarn of required quantity suitable for 100 mm dia bore CI pipe joints complete all as specified and as directed.

Burning out run lead joints and providing new run lead joints with spun yarn of required quantity suitable for 80 mm dia bore CI pipe joints complete all as specified and as directed.

Dismantling the broken/damaged existing valve chambers and Construction of valve chamber of internal size 0.90 M x 0.90 M x 0.90 M in depth with PCC (1:4:8), type D2 (using 40mm graded stone aggregate), 100mm thick for foundation with 100 mm offset for all the sides from outer face of walls, walling with brick masonry in CM (1:6), 10mm thick plastering to the internal surfaces in 10 mm thick CM (1:4), 50 mm thick coping in PCC (1:2:4), type B-1 (using 20 mm graded stone aggregate), mild steel cover made out of angle iron of size 40 x 40 x 6mm as in sides of frame and 3mm thick MS sheet, fixed with split type hold fast- 4 Nos made out of flat iron of size 40 x 6mm, 250 mm long duly embedded in coping and fitted to angle iron frame with 03 Nos of suitable hinges provided with necessary locking arrangements including preparation and applying two coats of synthetic enamel paint over a coat of red oxide primer on exposed steel surface and one coat of coal tar painting on steel surface embedded inside the concrete and two coats of white wash to plastered/concrete surfaces including disposal of rubbish out of premises, complete all as specified and as directed.

All as per Sl Item No.47 here in before but valve chamber of inner size 1.40 M x 1.40 M x 1.0 M.

M&L for cleaning of UG sewage Sump by draining out water, removing the silt/mud and any other foreign material from bottom of well of capacity 6.0 Lakhs Liters using vehicle KAMBI 6LCN mounted with compressor and sucker tank of M/s Kam-avida enviro Engineers Pvt Ltd Pune or similar model vehicle & washing down with water for smooth functioning of sewage pipe lines, disinfection with bleaching powder etc, applying one coat of white wash for the entire surfaces complete all as specified and as directed

All as per item ser No 49 here in before but 4.0 Lakhs litre capacity

Cleaning of the RCC Over Head Reservoirs of capacity 10.20 Lakhs Liters at an height of 18 Metres, after draining out remaining water below the delivery level by opening drain valve, removing the silt / sludge completely, drying the floor area, cleaning with anti bacterial agent (solution to be prepared in water @ 0.20 Kg of bleaching powder per sq m of internal area) using wire brushes, for making bacterial free, applying two coats of white wash on whole internal surfaces including making necessary writing of details "date of cleaning of OH reservoir and next date of cleaning" with synthetic enamel white paint over one coat of black painted surface complete all as specified and as directed. NOTE: - The job includes necessary safety measures to workers working on Over head reservoir at an height of 18 metres staging.

All as per Sl Item No. 51 here in before but for OH reservoir of 2.7 Lakh Liters capacity all as directed.

All as per Sl Item No. 51 here in before but for OH reservoir of 1.20 to 1.60 Lakh Liters capacity all as directed.

All as per Sl Item No. 51 here in before but for OH tank of 0.20 Lakh Liters capacity all as directed.

Cleaning of UG Sump of 15 Lakhs Liters capacity by draining out water, removing the silt / mud from inside, cleaning the internal surfaces of wall / ceiling / floors by using wire brushes, removing silt / sludge completely, drying the floor area, cleaning with anti bacterial agent (solution to be prepared in water @ 0.20 Kg of bleaching powder per of internal area) using wire brushes, for making bacterial free, applying two coats of white wash on whole internal surfaces including making necessary writing of details such as date of cleaning of UG sump and next date of cleaning with synthetic enamel white paint over one coat of black painted surface all as specified and as directed by Engineer-in-charge.

All as per Sl Item No. 55 here in before but for UG Sump of 12.50 Lakh Liters capacity all as specified and as directed.

All as per Sl Item No. 55 here in before but for UG Sump of 10.10 Lakh Liters capacity all as specified and as directed.

All as per Sl Item No. 55 here in before but for UG Sump of 8.50 Lakh Liters capacity all as specified and as directed.

All as per Sl Item No. 55 here in before but for UG Sump of 1.50 Lakh Liters capacity all as specified and as directed.

All as per Sl Item No. 55 here in before but for UG Sump of 1.20 Lakh Liters capacity all as specified and as directed.

All as per Sl Item No. 55 here in before but for UG Sump of 0.80 to 1.20 Lakh Liters capacity all as specified and as directed.

All as per Sl Item No. 55 here in before but for UG Sump of 0.25 Lakh Liters capacity all as specified and as directed.

Taking down unserviceable, supply and fix cast iron Non-return valve ISI marked with iron wheel head, screwed both ends for iron pipes, suitable for 250 mm dia pipe complete all as specified and as directed.

Supply and fix repairs, cast iron non-return valve, flange type of heavy duty wafer type, 50 mm dia complete all as specified and directed.

Taking out unserviceable gun metal foot valve, supply and fix Gun metal foot valve 50 mm dia in pipe line complete all as specified and as directed.

Taking out unserviceable Cast Iron foot valve, supply and fix 100 mm dia Cast Iron foot valve, connecting up in CI pipe line complete all as specified and as directed.

Taking out unserviceable Cast Iron foot valve, supply and fix 200 mm dia Cast Iron foot valve, connecting up in CI pipe line complete all as specified and as directed.

Taking out unserviceable Air release valve, supply and fix 100 mm dia CI air release valve and connecting complete all as specified and as directed.

Taking down unserviceable T-strainer assembly, supply and fixing flanged ended CI strainer assembly for 300 mm dia pipe line, complete all as specified and as directed.

Cleaning of strainer assembly connected to bulk water meter of 300mm dia line, draining out incoming / collected water in the strainer using a pump, removing foreign materials, flush washing the strainer using clear water and air, re-fixing the strainer in its original position and testing for leakages including replacing the worn out bolts, nuts, washers all as required at site and as directed.

All as per Sl Item No. 70 here-in-before but for water meter of size 150 mm to 250 mm dia line all as directed.

Cleaning valve chamber of any size from inside and outside using wire brush, removing the foreign materials / mud accumulated in the valve chamber, cleaning the surface of sluice valve / non-return valve / air valve, applying two coats of white wash for inside and outside of cement plaster surfaces, painting with one coat of synthetic enamel paint of existing colour for valves and MS cover plate complete all as directed.

Material and labour for, Rolled Mild Steel as in joists, channel, angle or tee sections in main and cross beams of Fe 410-W grade steel for ladders of under ground sumps and over head tanks including cutting, welding, grinding sharp corners etc., complete including taking down unserviceable ladder all as specified and as directed. NOTE :- The quoted rates are inclusive of unloading, fabrication work at site, reducing to required shape & size, hoisting, fixing etc all as required at site.

Material and labour for, painting of CI/GI pipe line of any size, exceeding 10 cm in width or girth, preparation of surfaces by brushing with wire brushes for removing old paint and finally forming the cleaned surface with gunny bags to remove all loose dirt etc and painting of two coat of black bituminous paint all as specified and directed.

Taking down unserviceable water meter, supply and fix, CI heavy duty, flanged water meter suitable for 250 mm dia pipes, IS marked and conforming to IS 4064, with leak proof and minimum head loss, complete all as specified and as directed.

Supply and fix in repairs, 100 mm dia, with mild steel cage Pressure Gauge up to 14 kg/ Sq cm complete all as specified and as directed.

Supply and fixing Cast Iron Jiffy coupling suitable for 300 mm dia CI/DI pipe lines including nuts, bolts, washers etc., and rectifying leakages complete all as specified and as directed.

All as per Sl Item No. 77 here-in-before but suitable for 250mm bore pipe.

All as per Sl Item No. 77 here-in-before but suitable for 150mm bore pipe.

All as per Sl Item No. 77 here-in-before but suitable for 100mm bore pipe.

Arunachaleswara enterprises

H S S ENGINEERS AND CONTRACTORS

UNIVERSAL ENGINEERING

kamadhenu Electricals

Solar Electricals and Electronics

Sahara Engineers

M/S Suresh Raju

B5BUILDING SOLUTIONS