MAINT AND REPAIR OF EXTERNAL WATER SUPPLY SYSTEM AND CONNECTED ITEMS AT 58 SU CHIMNEY HILLS

Amount

Demolition of Brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles

M & L for brick work with subclass 'B' bricks, straight or curved on plan n exc 6m mean radius built in cement mortar 1:4 complete all as specified and directed

M & L for rendering 10 mm thick on fair faces of brick work or concrete surfaces in cement plaster to be finished even and smooth without using extra lime or cement complete all as specified and directed

M & L for preparation of new plastered surface of wall and applying three coats of white wash complete all as specified and directed

Supply and lay pipe ductile Iron in trenches/floor, Class “K-7” ,150 mm (6”) dia. Make : Electrosteel/Sree pipes

Supply and lay pipe ductile Iron in trenches/floor, Class “K-7” ,100 mm (4”) dia. Make : Electrosteel/Sree pipes

M & L for DI fittings such as bends(any type, radius and angle) tapers any type (straight, bend, increasing, decreasing or double socket etc), Tee pieces single branch, Collars, caps and plugs suitable for S/S or flanged DI pipes of 150/100 mm dia as required at the time of execution complete all as specified and directed

M & L for Rubber gasket/Titan joint suitable for S/S DI pipe 150 mm

M & L for Rubber gasket/Titan joint suitable for S/S DI pipe 100 mm

M & L for Run lead joint suitable for S/S DI pipe 150 mm

M & L for Run lead joint suitable for S/S DI pipe 100 mm

Taking out old unserviceable CI sluice valve and S & F new cast iron sluice valve 80mm dia with s/s spindle complete assembly, class PN 1.0, ISI marked including providing rubber joints suitable for flanged pipes complete all as specified and directed

All as per item No 12 above but 100 mm dia size

All as per item No 12 above but 150 mm dia size

M & L for repairs to sluice valves in position installed at various locations, taking out upper portion of valve, replacement of U/S s/s spindle with check nut, cleaning and grinding the valve gate and assembling the valves including replacing the worn out nuts & bolts, rubber gasket, gland packing and servicing complete for 150mm bore size

All as per item No 15 above but for 100mm bore

Supply and lay in trenches/floors/walls of GI tubing medium grade with all fittings such as elbow, tee, union, short pieces etc of size 80mm dia bore complete all as directed

All as per item ser No 17 here in before but of size 50mm dia

All as per item ser No 17 here in before but of size 40mm dia

All as per item ser No 17 here in before but of size 20mm dia

All as per item ser No 17 here in before but of size 25mm dia

Supply and fix Gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe of size 80 mm dia complete all as specified and directed

All as per item No 22 above but for 50mm dia

All as per item No 22 above but for 40mm dia

All as per item No 22 above but for 25mm dia

All as per item No 22 above but for 20mm dia

M & L for dewatering from semi under ground sump 240000 Ltr capacity, cleaning internal walls, bottom surface of sump by removing scales and other foreign materials, scrubbing with water using coir jute brushes, washing the surfaces with mixture of bleaching powder and water. Finally washing with fresh water on walls, bottom surface etc applying two coats of white wash inside and outside as existing colour wash and writing letters on the wall i.e. capacity of tank, Date of cleaning, Due date for next cleaning, etc with synthetic enamel paint complete as specified and directed

All as per item No 27 above but 112000 Ltr capacity

All as per item No 27 above but 45000 Ltr capacity

M & L for dewatering from RCC Over head reservoir of 112000 ltrs capacity (5 mtr staging), cleaning internal walls, bottom of sump by removing scales and other foreign materials, scrubbing with coir/ jute brushes using water, washing the surfaces with mixture of bleaching powder and water, finally washing with fresh water on walls, bottom surface etc, applying two coats of white wash inside and writing letters on the wall i.e. capacity of tank, Date of cleaning, Due date for next cleaning, etc with synthetic enamel paint complete as specified and directed

M & L for dewatering from Under ground Static water tank of 50000 Ltr capacity, cleaning internal walls, bottom of sump by removing scales and other foreign materials, scrubbing with coir/ jute brushes using water, washing the surfaces with mixture of bleaching powder and water, finally washing with fresh water on walls, bottom surface etc, applying two coats of white wash inside and outside as existing colour wash and writing letters on the wall i.e. capacity of tank, Date of cleaning, Due date for next cleaning, etc with synthetic enamel paint complete as specified and directed

M & L for repairs to Centrifugal pumpset of capacity 25 HP including replacing the worn out nuts, bolts, rubber gasket, gland packing with cup, ball bearing-02 Nos., gun metal shaft key, hard rubber coupling bush, etc and making serviceable condition complete servicing all as specified and directed

All as per item No 32 above but of capacity 20 HP

All as per item No 32 above but vertical type of capacity 20 HP

M & L for repairs to Monoblock pumpset of capacity 20 HP including replacing the worn out nuts, bolts, rubber gasket, gland packing, ball bearing & bush and making serviceable condition complete servicing all as specified and directed

All as per item No 30 above but of capacity 5 HP

Lifting of defective submersible pumpset 15 HP capacity, 3 phase, 440 volts from the bore well and lowering the same after repair/ replacement of defective spare parts i.e. staging bushes, shaft stainless steel, thrust bearing, water seal, stainer, etc complete all as specified and directed

All as per item No 37 above but of capacity 7.5 HP

All as per item No 37 above but of capacity 5 HP

S & F in replacement of Star-delta starter suitable to 25/20 HP pump set incl suitable relays, connection with existing pup set and testing to the satisfaction of Engr-in-Charge Make : L&T/BCH

All as per item No 40 above but of capacity 15/10 HP

All as per item No 40 above but of capacity 7.5 HP

S & F in replacement of pressure gauge dial type confirming to IS on the existing pipe line inch necessary fixing arrangements complete all as specified and directed

Supply only high strength calcium based granular chemical disinfectant for water treatment packed in 45 kg plastic drum as and when required basis supplied at MES Pump House

M & L for taking down/removing u/s foot valve, supply and fix foot valve heavy duty 80 mm size of cast iron/Brass body with screwed/flanged ends as required at site

All as per item No 45 above but for 65mm dia

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth out in hard/dense soil for repair/laying of pipes/valves etc

Returning, filling in including spreading, leveling, watering and well ramming in layers in exc 25 cms in hard/dense soil

Supply & replace valve chamber cover made out of 3mm thick MS sheet duly supported by MS flat 40X6mm all around and diagonal for various size valves chambers duly fixed with 40X6mm flat 300mm long split at one end embedded in wall and lifting handle of MS flat with suitable size and welded to MS sheet with locking arrangement and painted with approved quality of two coats paint over a coat of metallic primer complete all as specified and directed

M&L for arresting of water leakage from existing pipe line in position from GI pipe of following sizes ,including excavation through Men/Mechnical power ,cutting threading,welding as per site requirement, incl jointing material such as GI ( Bend,socket,reducer,tee,furrel, union ,solution,thred etc) and refilling etc complete.All as specifide and directed by Engineer- In- Charge. Note:- (i) Excavation up to 1x1x6 Mtr will be deem to incl in quoted rate. More excavation will be measured and paid saperately. (ii) Pipe length will be measured and paid saperately. (A) 40 to 50 mm bore

same as per item 50 but for size 15 to 25 mm Bore.

Power and Telecom Systems

M/S AMRITHESH ENTERPRISES

LAKSHMI CONSTRUCTIONS

Aditya Associates

manoj builders and consultants