REPAIR MAINT AND REPLACEMENT OF EXTERNAL WATER SUPPLY PIPE LINE AND ALLIED WORKS CLEANING AND SANITIZATION OF UNDER GROUND OVER HEAD WATER RESERVOIR SEMI UG SUMPS INCLUDING CONNECTED WORKS IN NOFRA NAVY NAGAR AND RESIDENTIAL AREA UNDER AGE EM II NW K

Amount

Notes : (i) The work consists of 01 job as under:- JOB (A) : TPP 2024-2025 Ser No. 86 (ii) Please refer schedule 'A' notes before quoting the tender. (iii) Amount of Schedule of Credit shall be deducted off line by the department. ITEMS FOR JOB 'A'

M&L for cleaning and sterilization of inside the RCC/ Steel Underground/semiunderground/Over head/Sedmentation/clear water sumps of capacity UG sump reservoir 50000 gallons through bacteriological treatment by using sulitable chemicales approved by Govt auth lab AND ULTRA VIOLET RAY complete all as specified and directed by the following process :- First :- Clear the top of the tank for a clean workspace and drain out the water by using exit valve or high capacity dewatering system. Second :-Cleaning all the algae formation inside the tank by using a cleaning solution of one part of laboratory tested branded bleach to four part of hot water in a clean pot/bucket and scrubbing the walls and surfaces of the tanks and clean all the pipe fittings that will come into contact with the water. Third :- Cleaning with freash water by high speed jet pump. Fourth :- Bacteria screening/sterilization by using one part of laboratory tested and branded HSCH to four part of of hot water or brannded halogen compound to wash the the side wall and surfaces of the tank with the mop or with pressure machine. Fifth :-Cleaning the floor of water tank by using wet type industrial vaccum cleaner. Sixth :-Bacteriological screening and sterilizing method by using ultra violet ray within the tank and kills all suspended bacteria. Seventh:- Cleaning and third bacteria screening to sterilize all the surfaces of the water tank using 100ml unscented bleach without fiber guard in a litre and let the solution on all surface of the tank for minimum two hrs and rinse all the surfaces by clean water and remove the rinse water by industrial wet/dry vaccume cleaner.

NOTE:-(i) Contractor shall submit government laboratory test certificate of Checmicals before cleaning, fix the sticker mentioning the date of cleaning & name of site and also provide certificate confirming the completion of sterilization of water tanks mentioning the name of station and date of cleaning. All the cleaning & sterilization staffs should be under accidental insurance coverage. (ii) Outlet pipe of tank should be plugged before cleaning the tank to avoid.entering scals and the same shall be reconnected after cleaning the tank and the quoted rate is deemed to include for the rovision . (iii) Sterilization team will be experienced in water tanks sterilization. Necessary documents proofing the same shall be submitted to Engineer-in-Charge before commencement of work. (iv) Contractor will be responsible for rectification of complaints occurred during cleaning the tank ie. No water in tank/over flow due to broken of float valve/ blockage to be included in quoted rate.

All as per BOQ Serial item No 1.01 above but UG sump reservoir capacity 40000 gallons.

All as per BOQ Serial item No 1.01 above but UG sump reservoir capacity 20000 gallons.

All as per BOQ Serial item No 1.01 above but UG sump reservoir capacity 10000 gallons.

All as per BOQ Serial item No 1.01 above but UG sump reservoir capacity 100000 gallons.

All as per BOQ Serial item No 1.01 above but the RCC/ PVC water storage tank of capacity upto 5000 Ltr.

Exacavation in trenches n etc. 1.5m wide n exc 1.5m depth and getting out in any type of soil including trimming bottom surface to require level and shape all as specified and directed. NOTE:- Taking up pipe with fitting,special valves etc from trench shall be measured and paid separately.

Returning , filling in including spreading, levelling , watering & well ramming in layers n.exc 25cm including making good disturbed surface to original levels complete all as specified & directed.

Removal of exacavation material to a distance n exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified & directed.

Removing grass, shrubs, trimming branches of trees in water supply installation and water reservoir and along the pipe line both side and shifting of debris to a distance of 50 mtr away from site complete all as specified & directed.

Taking out 200mm bore cast iron water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified & directed.

All as per BOQ Seial item No 1.12 above but 150mm bore

All as per BOQ Seial item No 1.12 above but 100mm bore

Supply and laying ,connection and testing 200mm bore CI pipes with spigot and socket ends centrifugally cast,class B' in any length, laid in trenches complete all as specified and directed.

All as per BOQ Seial item No 1.15 above but 150mm bore

All as per BOQ Seial item No 1.15 above but 100mm bore

Supply, laying, jointing & testing DI-K7 class with spigot and socket, suitable for Push on rubber joint, with internal cement mortor lining, and external zinc and black bitumen coated pipes in any lengths conforming to IS:8329-2000 including Rubber Gasket & joints as per IS:9523-2000 laid in trenches/ Road/ Ducts/ Footpath/ on wall/ on floor locations for 200 mm bore dia pipe complete all as specified and directed.

Supply, laying, jointing & testing DI-K7 class with spigot and socket, suitable for Push on rubber joint, with internal cement mortor lining, and external zinc and black bitumen coated pipes in any lengths conforming to IS:8329-2000 including Rubber Gasket & joints as per IS:9523-2000 laid in trenches/ Road/ Ducts/ Footpath/ on wall/ on floor locations for 150 mm bore dia pipe complete all as specified and directed.

Supply, laying, jointing & testing DI-K7 class with spigot and socket, suitable for Push on rubber joint, with internal cement mortor lining, and external zinc and black bitumen coated pipes in any lengths conforming to IS:8329-2000 including Rubber Gasket & joints as per IS:9523-2000 laid in trenches/ Road/ Ducts/ Footpath/ on wall/ on floor locations for 100 mm bore dia pipe complete all as specified and directed.

Taking down existing CI specials and M&L CI specials such as bends (any type,radius, tapers) and any type (straight,bend, increasing, decreasing,or double socket ect). Tee pieces single branch 'Y' junction double branch,cross (all sockets or socket and spigot), collars caps and plugs ect for upto 250mm bore as in repair including complete all as specified and directed.

Taking down existing sluice valve and supply and fix in position 150mm bore sluice valve (ISI marked) flanged and drill both ends cast iron body, heavy duty brass spindle type PN 1.6 with and including jointing rubber gasket,nut,bolts complete all as specified and directed.

All as per BOQ Serial item No 1.22 above but 150mm bore

All as per BOQ Serial item No 1.22 above but 100mm bore

All as per BOQ Serial item No 1.22 above but 80mm bore

Taking down existing non- return valve and S&F 150 mm more CI non return valve, flanged type ISI marked with by pass arrangement complete all as specified and directed.

Taking down existing non- return valve and S&F 100 mm more CI non return valve, flanged type ISI marked with by pass arrangement complete all as specified and dirrected.

S&F as in cross arms for frame work using MS channel. MS angle etc for structural support to pipe lines/base plate for pumps/approach ladder to over head water tanks including taking down/dismantling old one complete all as specified and dirrected. .

Cutting and removing existing unserviceable 150mm bore MS pipe and supply, laying 150mm bore MS ERW pipe heavy duty in short length with all fitting & including two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and dirrected. Note:- Welded joints will be measured and paid seperately under relavant item of BOQ.

M&L for welded joints to MS ERW pipe 150mm bore complete all as specified and dirrected.

S&F FRP cover 60cmX60cm with of 5 ton capacity, bends to shape/with FRP frame on sides, including lifting arrangement fixed to manhole of UG sumps with grouting the frame in RCC slabe complete all as specified and directed.

M&L for PCC type 1:4:8 type D2 ( using 40mm graded stone aggregate) for thrust block for supporting pipe lines including necessary form work complete all as specified and dirrected.

M&L for MS flange 10mm thick 15mm dia welded to MS pipe including all necessary material for welding and jointing complete all as specified and dirrected.

Taking out unserviceable rusted 15mm bore steel water tubing and connection including cleaning for refixing or removal from site complete all as specified and dirrected.

All as per BOQ Seial item No 1.34 above but 20mm bore

All as per BOQ Seial item No 1.34 above but 25mm bore

All as per BOQ Seial item No 1.34 above but 40mm bore

All as per BOQ Seial item No 1.34 above but 50mm bore

All as per BOQ Seial item No 1.34 above but 80mm bore

Refixing 15mm bore old steel tubing and connections in new or old position after cleaning including all fittings of the following size complete all as specified and directed.

All as per BOQ Seial item No 1.40 above but 20mm bore

All as per BOQ Seial item No 1.40 above but 25mm bore

All as per BOQ Seial item No 1.40 above but 40mm bore

All as per BOQ Seial item No 1.40 above but 50mm bore

Supply and laying in trenches/wall/floors 15mm bore GI tubing medium grade including all required fittings as required at site complete all as specified and directed.

All as per BOQ Seial item No 1.45 above but 20mm bore

All as per BOQ Seial item No 1.45 above but 25mm bore

All as per BOQ Seial item No 1.45 above but 40mm bore

All as per BOQ Seial item No 1.45 above but 50mm bore

All as per BOQ Seial item No 1.45 above but 80mm bore

M&L for burning out existing lead joints from 250mm bore CI pipes and specials in position including cleaning and collecting old lead complete all as specified and directed

All as per BOQ Seial item No 1.51 above but 200mm bore

All as per BOQ Seial item No 1.51 above but 150mm bore

All as per BOQ Seial item No 1.51 above but 100mm bore

M&L for run lead joints in position for 250mm bore spigot socket pipe and specials including provision of all jointing materials such as pig lead,lead spun yarn/joint etc complete all as specified & directed.

All as per BOQ Seial item No 1.55 above but 200 mm bore

All as per BOQ Seial item No 1.55 above but 150 mm bore

All as per BOQ Seial item No 1.55 above but 100 mm bore

M&L in repairs to CI mechanical joints 250mm bore CI/DI pipe with all accessories such as CI sleave, CI outer rings,rubber gaskets,GI bolt,nut,washer complete all as specified and directed

All as per BOQ Seial item No 1.59 above but 200 mm bore

All as per BOQ Seial item No 1.59 above but 150 mm bore

All as per BOQ Seial item No 1.59 above but 100 mm bore

All as per BOQ Seial item No 1.59 above but 80 mm bore

Supply, laying, testing and commissioning of HDPE (High density polyetylene) pipe, with pressure holding capacity 16 Kg/ sqm and PE 100 grade laid in trenches, under floor, passing through pipe, Nala, road etc in long/ short lengths as per site requirement including supply and fixing of required number and type of fittings and accessories and carrout jointing of pipe/ fittings with proper HDPE fusion welding machine including minor accessories to complete the work on site and all as specified and directed for the following outer diameter pipes :- Note :- (i) HDPE pipe fittings shall be measurerd and paid seperately. The HDPE pipe and fittings shall be of same pressure rating and from any one company/ make as mentioned in the approved list. (ii) Any fittings and fixture not mentioned into the Schedule and required at site shall be provided by contractor for completing the work and testing and commissioning of pipe line and cost of these items deemed to be included in quoted rates. (iii) All the arrangement for fusion welding shall be done by contractor. without any extra cost.

75mm OD HDPE Pipe

63mm OD HDPE Pipe

50mm OD HDPE Pipe

40mm OD HDPE Pipe

Supply and fixing High density polypropylene full bore ball valve, flanged end, having three piece body made of HDPE material, one spindle of stainless steel, two number PTFE set ring, connector seal, stainless steel (SS 316) nuts, bolt, mild steel PP coated operating handle, stainless steel hex pin, ISI marked, suitable to withstand upto 16 Kg/ sqcm pressure complete in all respect including S & F of HDPE flanged on the all fixing / fitting materials, testing the valve at full pressure against the leakage and full bore flow and suitable for the following sizes of HDPE pipe complete all as specified and directed.

75mm OD HDPE Pipe

63mm OD HDPE Pipe

50mm OD HDPE Pipe

40mm OD HDPE Pipe

25mm OD HDPE Pipe

M & L for HDPE fittings ISI Marked complete including all jointing/ fixing/ welding materils for HDPE pipe of undermentioned sizes,butt welded/ flanged joints with washer etc, PE 100 grade having pressure rating not less than 16 Kg/ Cm2 for the following size of HDPE pipes complete all as specified and directed.

75mm OD HDPE ELBOW

63mm OD HDPE ELBOW

M & L for repairs of HDPE pipe leakage complete with socket and flange including all jointing/ fixing/ welding materils for HDPE pipe of undermentioned sizes,butt welded/ flanged joints with washer etc, PE 100 grade having pressure rating not less than 16 Kg/ Cm2 for the following HDPE pipe sizes compete all as specified and directed.

75mm OD HDPE joints/socket

63mm OD HDPE joints/socket

S&F in repairs Ball cock complete with Rod and Ball ( low pressure and high pressure) with Epoxy coated Al Rod and HD Ball of size 20mm complete all as specified and directed

S&F in repairs of Ball cock complete with Rod and Ball ( low pressure and high pressure) with Epoxy coated Al Rod and HD Ball of size 25mm complete all as specified and directed

S&F in repairs of Ball cock complete with Rod and Ball ( low pressure and high pressure) with Epoxy coated Al Rod and HD Ball of size 40mm complete all as specified and directed

S&F in repairs of Cast Iron Body, ISI Marked Foot valve suitable for 80mm dia pipe line including all fittings complete all as specified and directed

Demolition of unserviceable broken valve chamber of any size and M&L for construction of new wall chamber with brick masonry valve chamber 900mm x 900mm x 900mm (internal size) 15cm thick foundation using PCC (1:4:8) type D2 using (40mm graded stone augregates) 23cm thick brick walls built in CM (1:6) 10mm thick internal paster & external plaster in CM (1:4)on internal wall surface of chamber and external surface upto 15cm below the ground level finished even & fair 5mm MS sheet cover including 40 x 40 x 06mm angle iron frame fixed on 150mm thick PCC (1:2:4) type B1using(20mm graded stone aggregate)as in coping with and including necessary use and waste of formwork with and including 25mm x 6mm flat iron hold fasts, handles, hinges with locking arrangement applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces including necessary returning , filling, including desposal of surplus soil etc. complete all as specified and as directed

M&L for opening the main hole top cover of filteration dome, removal of existing exhausted filter media from the filter bed of vessal and shifting out side the pump house,cleaning and scrubbing the internal surface of vessal to make the surface smooth, repaire to damage plates by welding and painting two coats of water proof black bituminous paint on inner side of vessal, dismantling, of existing filter shell and lateral stainers and replace the same with new filter shell and lateral stainers complete all as specified and directed.

Supply and filling new filter media (in two filter vessal) in different layers of suitable sizes as per direction of OEM complete all as specified and directed

Cutting and dismantling the existing U/S rusted 80mm MS line at swimming pool filtration plant and M&L for replacing the MS special such as long bend – 5 Nos equal Tee-2Nos and replacement of u/s diaphragm type valve 1 No by new one. Carrying out cutting/welding/fabrication of new pipe as per site requirement to match with the filtration plant pipe line and valves. All steel portion to be painted with two coat of anti corrosive paint over one coat of anti corrosive primer. Assembling jointing & testing complete all as specified and directed. Note:- 1. MS Pipe, Valves will be measured and paid seperately under relivent items of Schedule. 2.Cost of replacement of rubber gasket, nuts and bolts, Flange, fittings etc is deemed to be included in quoted rate.

S&F in repairs 80mm dia butterfly valve with matching flanges, gasket, complete all as specified and directed.

M&L for repacking stuffing box of sluice valve spindle having 200 mm dia including taking apart and reassembling complete all as specified and directed.

M&L for repacking stuffing box of sluice valve spindle having 150 mm dia including taking apart and reassembling complete all as specified and directed.

M&L for repacking stuffing box of sluice valve spindle having 100 mm dia including taking apart and reassembling complete all as specified and directed.

M&L for repacking stuffing box of sluice valve spindle having 80 mm dia including taking apart and reassembling complete all as specified and directed.

M&L for bacteriological and chemical analysis of water sample of Govt approved lab/ISO certified lab, the water sample to be carried every month or as directed by Engr -in- charge in sterilized bottle/watercan which will be the responsibility of the contractor.Cost of testing charges including conveyance and water test certificate to be submitted in Duplicate to Engineer-in-charge complete all as specified and directed. . Note: Samples to be collected from sump and pump house as directed by Engr -in- charge.

Sagar Electricals (BID ID -3099495)

M.K Enterprises (BID ID -3099565)

Om Sai Enterprises (BID ID -3098597)

INDIA ENGINEERS AND CONTRACTORS (BID ID -3096668)