REPAIR MAINT OF EXTERNAL WATER SUPPLY SYSTEM INCLUDING REPLACEMENT OF PIPE LINES VARIOUS TYPES OF VALVES CLEANING OF UG SUMPS REPAIRS TO VARIOUS MOTORS PUMP SETS COMPREHENSIVE MAINTENANCE OF SOFTENER PLANTS AND CONNECTED MISC EM WORKS OF DGQA AREA AT

Amount

Excavation in trenches not exceeding 1.5 mtr in width and not exceeding 1.5m depth for laying under ground cable/pipes in loose/soft soil complete all as specified and directed.

All as per the description of srl item No.01 but hard/dense soil.

All as per the description of srl item No.01 but soft/disintegrated rock.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed.

Removal of surplus soil obtained from excavated material not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Supply and laying galvanised steel water tubing medium grade ISI marked screwed socketed joints complete with all tube fitting (such as bends, elbow tees, short pieces, connectors caps plugs and unions etc) and fixing complete with clips, wall hooks wooden plugs, or laying in trenches etc, also cutting, screwing and waste and for making forged bends on piping as required at site including taking down the existing pipe line with fittings etc of following sizes:- Note:- (i) laying of pipe line on wall/floors/terrace of high rise buildings up to the 8th floor by using with suitable clamps, jointing material and necessary accessories and T&P complete necessary arrangement like scaffolding to carry out the work (ii) Earthwork shall be measured and paid separately under relevant items.

100mm dia

80mm dia

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and fixing gunmetal gate valve screwed down high pressure with iron wheel head, screwed both ends for iron pipe including taking out unserviceable valve for the following sizes:-

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and laying mild steel water tubing 6mm thick,as per IS 3589,heavy duty, class C, complete with all fittings (such as bends,elbow,tees,short pieces,connectors,back nuts,diminishing pieces,caps,plugs and unions,etc) and fixing complete with clips,wall hooks,wooden plugs,or laying in walls and ceiling etc.,also cutting,screwing and waste and for making forged bends on piping,welding as required at site with two coats of synthetic enamel paint over one coat of red oxide primer including taking down unserviceable pipe complete all as specified directed for the following sizes:-

80mm dia

100mm dia

Material and labour for DI specials of any size such as tees, bends of any size and radius, tapers, collers, tail pieces, caps and plugs etc including taking down unserviceable complete all as specified. Note: Earth work shall be measured and paid separately

M&L for Rubber gasket Joint (Tyton Joint) with jointing material for DI/CI pipe of 100mm bore including taking down unserciveable complete all as specified and directed. Note: Earth work shall be measured and paid separately

All as per the description of srl item No 10 above but 150mm dia.

M&L in replacement for CI spigot and socket pipe fittings 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 of up to 150mm bore including taking down unserciveable fittings complete all as specified and directed.

M&L for run lead joint including preparation of ends, provision of hemp/yarn gasket and pig lead filling and proper caulking for CI/DI pipe of 80 mm bore complete all as specified and directed. Note: Earth work shall be measured and paid separately

All as per the description srl item No 13 above but 100mm dia.

M&L for cast iron sluice valve of pressure class PN-1.6 type flanged and drilled at both ends, conferming to ISI mark and having gun metal spindle and rings including wheel for operating all as specified including two numbers flanged socket and jointing materials such as bolts, nuts, washers, rubbers/ fibre board gasket including taking down old unserviceable valve from pipe line of both ends complete all as specified and directed for the following dia of bore:-

50mm dia

80mm dia

100mm dia

M&L for NRV heavy duty conforming to ISI marked both ends flanged including jointing material such as bolts, nuts, washers, rubbers/ fibre board gasket including taking down old unserviceable valve from pipe line of both ends complete all as specified and directed for the following dia of bore:-

50mm dia

80mm dia

100mm dia

M&L for foot valves strainer, releasing flip type with rubber gasket including necessary fittings, fixtures nuts , bolts and other arrangements incl taking down unserciveable valves all as directed at site for the following dia of bore:-

50mm dia

80mm dia

100mm dia

Supply only Calcium hypochlorite 65% to 70% chlorine content in granual form (calcium based granular disinfect for water treatment) packed in 45 kgs each drum.

M&L for chlorine test kit with coloured sample complete with all testing fitment and OT solution in rexine finish box.

M&L for total hardness test (5-1000 mg/L) kit with coloured sample complete with all testing fitment and OT solution in rexine finish box.

Supply and filling of crystal common salt using for regeneration process in water softner plant complete all as specified and directed.

M&L for bailing out the water from the semi underground/UG sump up to 40,000 GLNS with out causing any interruption to regular water supply system and cleaning the same walls, roof and floor thoroughly by using wire brush/scrapper for removal of deposited scales/sludge/silt etc and removing the materials out of site cleaning thoroughly with water and bleaching powder and then by chlorine solution for complete anti bacterial disinfections with applying one coat of white wash inner and outer side including writing date of cleaning on the black board with white paint all as specified and directed. Note:- Rates quoted deemed to be inclusive of T&P and safety equipments required at site.

S&F for wire mesh frame including necessary calmp arrangements for suitable bore of 100/150mm vent pipes for semi UG sumps in complete all as specified and directed.

M&L for construction of valve chambers 1200mm x 1200mm x 900mm with 15 cm thick solid concrete block masonary, block casted using PCC 1:3:6 type C-1mix built in cement and sand mortar 1:4, 15mm plaster to thick internal surface and external surface up to 15cm below ground level and top of floor in CM 1:4 finished even and smooth without using extra cement 15mm thick, MS sheet cover 3mm thick including 40x40x3mm MS angle frame embedded in 150mm thick PCC 1:2:4 type B-1, with 25mm x 6mm flat iron hold fast, handles, hinges with locking arrangments, applying one coat of red oxide primer and two coat of synthetic enamel paint to all steel surface including earth work in type of soil, demolition of existing damaged valve chambers & disposal of surplus soil to a distance n.exc.50 m. complete all as specified and directed.

All as per the description of srl item No 24 above but size 90cm x 90cm x 90cm

Removing unserviceable and Material & Labour for cross arms, bracings, supports, clamps, angle iron, flats and back plates fabricated from MS structural steel sections including nuts, bolts and washers of suitable sizes for making supporters, ladders in water tanks, frames, pump houses including welding, bending (cold or hot), drilling holes for bolts in any shape or size as indicated or directed and inclusive of two coats of black paint over one coat of red oxide primer complete all as directed.

S&F,testing and commissioning high pressure booster pump, RPM 2700, size including 25mm x 25mm, 0.5 HP, 1 phase, head range 6-28 mtrs, discharge 2700-450 LPH,capacitor run 10 MFD, 2 pole type complete with fixing necessary PCC foundation,accessories with complete system including taking down old unserviceable deposit to store yard complete all as specified and as directed. Make : Kirloskar model star galaxy or equivallent in Crompton/KSB

M&L required for collecting water samples in clean bottle from borewells/UG sumps/service tanks and getting tested for Physical, chemical and bacteriological prameters (as per IS 10500:2012) analysis from approved institutions/lab and submission of results in triplicate complete all as specified and directed.

Comprehensive maintenance including preventive and periodical maintenane of Sand Filter Media (Flow rate capacity 35 Cum/Hr - 04 Nos) and Softner Plant (Flow rate capacity 50 Cum/ Hr - 04 Nos) with connected motors, UPVC pipe lines, butterfly valves etc., (Make - Optimus Envirpro Pvt Ltd, Resin -Thermax), installed at Amar Vihar pump house in reliable safe and efficient condition through MOU with OEM by periodically examining, preventive maintenance of plants, pipe lines, valves for trouble free function as per recommendation and attending breakdown/ complaint as and when on required basis, maintenance on regular basis complete with preventive maintenance including replacement of UPVC pipes (different sizes) short lengths upto 5 mtrs, fittings, flanges with nut and bolts, pressure gauges, replacement of required necessary fittings alongwith rectification of defects complete all as specified and directed. Notes :- (i) The contractor shall carry out routine checking of the complete plants and rectify the any defects noticed immediately (ii) Copy of agreement concluded between contractor & OEM for execution of work thorugh OEM shall be submitted to GE with in 07 days from date of commencement. (iii) Treated water total hardness should be maintained less than 200 mg/l and submit he monthly water test report of Total Hardness (CaCO3) of treated water. (iv) The rates quoted against for this item shall be applicable for a period of 01 Month. (v) Rates quoted aginst the above mentioned work wise items are required of efficient working of plant are to be included in the job. (vi) If complaints were not rectified within 04 Hrs of intimation, the following penalities will be imposed and deducted from contractor dues :- (a) Rs 1500/- per complaint for not attending the complaint and keeping pending 04 Hrs to 12 Hrs/ per complaint. (b) Rs 3000.00 per complaint for not attending the complaint and keeping 12 hrs to 24 hrs/per complaint.

M&L for top up of resin for softner plant complete all as specified and ditected.

Supply and fixing in reapirs of multi port valves/butter fly valves 100mm dia fixing at sand filter and softner plant vessles complete all as specified & directed.

M&L for cutting of road/path for laying of pipe line and making the good to disturbed road/ path including provision of PCC 1:2:4 type B-1 using 20mm graded stone aggregate complete all as specified & directed.

S&F in replacement of water pressure gauge with black steel case, copper alloy wetted parts, snap-in- acrylic window with white plastic dial and plastic pointer having 0-20 kg/cm2 pressure range including taking down unserviceable complete all as specified & directed.

S&F in replacement of water pressure gauge with black steel case, copper alloy wetted parts, snap-in- acrylic window with white plastic dial and plastic pointer having 0-14 kg/cm2 pressure range including taking down unserviceable complete all as specified & directed.

M&L for spray painting of complete Water Pumpset of capacity any type up to 20 HP with two coats of synthetic enameled paint of specified colour after preparation of surface and writing letters and numbers complete all as specified and directed.

M&L for preparation of old painted steel or iron surfaces of any description, over 10cm in width or girth, not otherwise described and applying two coat of synthetic enameled paint of approved shade all as specified.

Supply only spares suitable for sluice valve of size 50/80mm dia

Spindle SS

Check nut gun metal.

Gland ring with packing

T nut and bolts

Supply only spares suitable for sluice valve of size 100/150 mm dia

Spindle SS

Check nut gun metal.

Gland ring with packing

T nut and bolts

M&L for lifting and lowering of submersible pump and motor set from bore well of any dia after disconnecting electric and water connection of any make and any size capacity under any of chain pulley block or manually appropriate length 70 to 200 Mtr after opening the socket and pipe all as directed.

M&L for flushing & developement of bore well of any capacity and size at the pressure 10 kg/sqcm to 15 kg/sqcm by diesel engine driven air compressor of capacity 620 cfm, depth up to 200 mtrs with using air pipe and connected items to improve the yield of tube complete well as specified and directed. Note: (i) Rates included for Transportation of air compressor along with tools and accessories at differenet locations in AOR. (ii) Lifting/lowering of borewell shall be measured and paid separately

M&L for dismantling carefully submersible motor and taking out motor and removing all burnt wire from the starter after cutting rewinding of motor with PVC insulated finolex make copper conductor water proof suitable for submersible motor of require size but not less than original grinding of rotor and reassembling the rotor and stator and replacement of bearing bush sleeve of rotor painting of motor with approved colour of synthetic enamel paint all as per specified and directed for the following sizes.

Supply only thrust bearing for submersible pump.

Supply only rotor of motor for submersible pumps of the following sizes.

Supply only coupling bush for submersible pump and motor.

Supply only sand guard for any make of pump.

Supply only GM impeller for submersible pump any make of 3 to 7.5 HP capacity.

Supply only gland packing with wire rope 1/4 " 1/2".

Supply only rubber insertion sheet 4mm thick.

S&F in repairs for PVC insulated water proof flat 3 core cable 1100 volt grade submersible with copper conductor stranded of size 4 Sqmm.

S&F in replacement of fully automatic star-delta starter in exist LT Panel with necessary rating contacotrs, OLR for rating 5 to 15 HP any type of motors and pump sets including with necessary wiring in exist panel complete all as specified and directed. (Make/model- as per sample)

S&F in replacement of fully automatic star-delta starter in exist LT Panel with necessary rating contacotrs, OLR for rating 15 to 30 HP any type of motors and pump sets including with necessary wiring in exist panel complete all as specified and directed. (Make/model- as per sample)

S&F in replacement 3 pole power contactor for starter with suitable size copper wiring, copper thimbles incl taking down old one complete all as specified and directed of the following capacity.(Makes/Model- as per sample)

S&F in repairs for single phase preventor for 3 phase motors fixed for star delta starters all as directed.(Makes/Model- as per sample)

S&F in replacement automatic phase sequence corrector having capacity 5 -30 HP pump sets, automatically correct input supply reverse phase also protections against single phasing voltage unbalancing and low & high voltage within 3 to 5 seconds. (Make/model - as per sample)

S&F in repairs for Thermal OLR suitable current rating for ML 0 to ML 3 contactors with suitable size copper wiring, copper thimbles including fixed in exist PBs complete all as specified and directed.

Supply and fixing MS tubing heavy duty (Class -C) column pipe, 50mm bore conforming to IS-1239 coupled with heavy duty suitable size of MS flanges 12mm thick duly welded on both sides as directed including necessary nut and bolts with washers & rubber packing required at site condition and lowered in to the bore well including taking out old unserviceable column pipe complete all as specified and directed. Note : - Taking out and lowering of submersible pump set shall be measured and paid under respective item

M&L for disconnection electrical and water connection of the centrifugal pump and motor 20/25 HP with base plate and transported to work shop opening carefully and replacement of bushes, gland packing, ball bearing, rubber gasket nut and bolt fixing the require new parts (parts such as shaft, impellor, coupling & bearing shall be supplied under relevant item of schedule) and complete re-fixing its in original position and making out all electrical and water connection and testing complete all as specified and directed for the following size/ capacity of motors. Note :- Rate includes transportation of motor from the place of installation for repairing and reinstalling the same on existing foundation & testing & commisioning.

Supply only shaft suitable for 20/25 HP centrifugal pumps

Supply only GM impellor suitable for 20/25 HP centrifugal pumps

Supply only MS coupling suitable for 20/25 HP centrifugal pumps

Supply only bearing suitable for 20/25 HP centrifugal pumps

M&L for rewinding of electrical motor 20/25 HP with super enameled copper winding wire of suitable size not less than original after cutting and taking out old winding complete with all insulation material such as colton top varnish etc of centrifugal pump set motor all as specified and directed

M&L for Disconnection electrical and water connection of the induction motor/self priming set/high pressure pumps up to 7.5 HP with base plate and transported to work shop opening carefully and replacement of bushes, winding,gland packing, ball bearing, rubber gasket nut and bolt including two coat of synthetic enameled paint over a coat of red oxide primer,shaft impeller and coupling bearing and complete re-fixing its in original position and making out all electrical and water connection and testing complete all as specified and directed for the following size/ capacity of motors. Note :- Rate includes transportation of motor from the place of installation for repairing and reinstalling the same on existing foundation & testing & commisioning.

M&L for PCC 1:3:6 type C1, (Using 20mm graded crushed stone aggregate) as in foundations, flooring and coping filling and mass concrete with necessary for work and cement plastering finishing where required complete all as specified and directed.

Pall Associates

NEETU TRADERS (INDIA)

Shiv Enterprises

AMIT ENTERPRISES

Surjit and Sons

MK Enterprises