REPAIR REPLACEMENT OF UNSERVICEABLE LOFT TANKS WATER STORAGE TANKS OF VARIOUS CAPACITY CLEANING AND ALLIED WORKS AT OLD AND NEW NAVY NAGAR AREA UNDER GE NW NAVY NAGAR COLABA MUMBAI

Amount

M& L for Cleaning of loft tanks of capacity 170 to 275 ltrs in existing position by mechanised pressure, cleaning using PVC tank cleaning solution and draining out the water by wet vaccum pump, rinsing with clean drinking water complete all as specified. Note : Any damage to pipe and PVC tank during cleaning shall be made good by the contractor at his own cost.

Supply & fix in replacement of unserviceable PVC loft tank (HDPE) of capacity 275 ltrs with complete fitting including 03 Nos adopter with washer for inlet/outlet over flow as per manufactureres instructions complete all as specified and directed by Engineer-in-Charge

Supply and fixing replacement PVC profile suitable for 275 ltr loft tank including fixng of aluminium channel around the profile complete all as specified and directed by Engg-In- Charge.

Cleaning of underground sump of any capacity cleaning the floors, wall and ceiling portion of sump etc by Mechnical high pressure spray and steel wire brush to remove Algae/dirt/foreign dirt completely and soaking out the water/dirt with a high pressure wet vaccum pump and removing spoils out side of MD land and applying spray of approved chemical etc. complete all as specified and as directed by Engineer-in-charge . Note :- 1. Rates deemed to be included for pumping out water left below foot valve. 2. Rate include the painting of two coats of enamal paint with visible colour and capacity of sump about date of cleaning and due date for cleaning complete all as specified.

Sump capacity of approximately 9,20,000 liters

Sump capacity of approximately 16,00,000 liters

Sump capacity of approximately 14,00,000 liters

Sump capacity of approximately 4,50,000 Liters

Sump capacity of approximately 3,20,000 Liters

Sump capacity of approximately 2,00,000 Liters

Sump capacity of approximately 2,25,000 Liters

Sump capacity of approximately 1,50,000 Liters

Cleaning of PVC and RCC water storage tank in low and high rising buildings(G+14) by mechanical high pressure spray and remove all foreign matter completly and soaking out the water/dirt with a high pressure wet vaccum pump and removing spoils out side of MD land and complete all as specified and as directed by Engineer-in-charge . Note: Rate include the painting of two coats of enamal paint with visible colour about date of cleaning and due date for cleaning complete all as specified.

OH Tank of capacity 5000 Litres

OH Tank of capacity 3000 Litres

OH Tank of capacity 10000 Litres

OH Tank of capacity 15000 Litres

S&F in repairs FRP lid cover for PVC water storage tank complete accessory for closing and locking arrangement suitable for various capacitys as approved by BMC

For capacity of 5000 litres

For capacity of 3000 litres

Cleaning the vegetation including grass, bushes small trees and all vegetation growth complete including uprooting of bushes and small trees around the installation/sump/OH reservoir, valve chamber etc. filling the rough holes with earth and levelling the surfaces by removing all debris to a distance n.exc.50m complete all as specified and directed.

Supply/Fixing in repair/replacement of internal steel water tubing with CPVC pipes SDR 11 & Plain or brass CPVC SDR 11 fittings in wall and shafts including necessary saddling and and work to be done in high rise building up to 15 th floor short piece/length, including breaking the existing brick wall for replacement of corroded GI pipe in/on wall and making good the disturbed surfaces complete all as specified and directed by Engineer-in-charge of the following size :-

20 mm Nominal outside dia

25mm Nominal outside dia

Supply & Fixing in repairs Compound girders and stanchions, lattice girders, aerial masts, staging for water tanks, ladders and the like including caps, bases, splices etc. built up from two or more beam or channel sections or angles with plates, including all lattice bars, stiffeners, gusset plates, etc with Fe 410 -W (Gde- E- 250) including making paint with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed. Note:Contractor should survey each quarter in old and new navy nagar and highly rusted angle should be change accordingly.

Material and labour for bacteriological and chemical analysis of water sample at govt approved lab (Iso 9001:2008)including collecting sample from pumphouse using labed owned sample jar and testing every month all directed and specfied by Engineer-in-charge

Checking of over head tanks of any capacity , making arrangement of mosquito proofing of the tank from overflow side with new GI tank nipples, socket, barrel nipple , elbow, MS wire net, locking the existing tank cover to avoid entry of lizards, mosquitos inside the tank, tightening of all inlet and out let connections to make the tank no leaking of water complete including painting with white colour paint on base coat and writing the letters of black colour of the following details all as specified and directed :- (a) Date of cleaning (b) Date of Next due (c) Tank capacity

Supply, Installation Testing & Commissioning in repair of Motor Actuated Butterfly Valve (With manual operating wheel) consisiting of Quarter turn single phase Actuator and Wafer type butterfly valve of size 200 mm dia with appropriate bracket/mounting arrangement including two nos. limit switches for open and closed condition and splash proof enclosure. Specifications & Features Input Voltage: 230 V, A.C. , Designed line pressure: 16 kg/sq cm. Operating Angle: 90 degrees, Disc Material: CI with nylon coating Limit Switches : 02 Nos.For open and close status Mounting : Extended type with universal joint for installation 18-24 inches above the pipe level with angle mounting including raising of existing chamber as required at site. Note :-1. Rates also including of cutting, welding and any modifications in existing line with suitable DI/CI fittings with joints and its fixing are completely included in the item rate and no extra cost will be claimed by the contractor. Make :- Emtork/Hasel Hofener/Ritetork/Siemens/Honeywell Note :-2 Contractor's shall visit the site before quoting the rate of the item.

All as per item No. 12 above but capacity of motor actuated butterfly valve of size 300 mm dia complete all as specified and directed

All as per item No. 12 above but capacity of motor actuated butterfly valve of size 100 mm dia complete all as specified and directed

All as per item No. 12 above but capacity of motor actuated butterfly valve of size 80 mm dia complete all as specified and directed

Supply & fixing in repair on wall/ laying in trench 4C x 1.5 sq mm PVC sheathed and PVC insulated, armoured, FRLS, copper cable.

Supply & fixing in repiar wall/ laying in trench 6Cx 1.5 sq mm PVC sheathed and PVC insulated, armoured, FRLS, copper cable.

S&F in repairs PVC water storage Tank (minimum three layer) with cover, ISI marked, pure anti microbail round type and making connections including replacement of new GI fittings i.e. tank nipple, washers, float valves and Gate valves and Pipes for connecting the existing Inlet/delivery lines, testing complete all as specified and directed for the following capacity :- Note :- Gate valves and GI pipe only shall be paid under relevant item of Schedule 'A' remaining items shall be deemed to be included in the item rate.

5000 Ltr capacity

3000 Ltr capacity

Repair/Maintenance to Chlorine dozing system assembly of any make and model with chlorine injector dozing pump, cleaning, servicing, carrying out minor repairs and make functional and testing complete in the locations of CPH and its connected pump houses under GE(NW) Navy Nagar area complete all as specified and directed. Note :- (a) Minor consumables like cotton waste, cloth, screws and nuts shall be including in the item rate. (b) Major Parts and spares requied to be replaced shall be measured and paid separately under relevant item of sch 'A". (c) The rate includes to make serviceable of dozing system to the contract period in any number of times visit of technician and no extra cost has to be claimed by the contractor except parts shall be paid under supply only items.

Supply only in replacement against item No.19 here in before the following items:-

Gear motor 230 volt 50 Hz suitable for dosing pump of existing model

Rotor assembly with bearing brackets and tolerance rings.

Coil 250 volt, 50 Hz.

Single head feed rate control with shaft.

Pump head (Ferrules 1/4" including duckbill)

Roller assembly suitable for dosing pump.

Pump tube suitable for dosing pump.

Injection check valve 3/8" suitable for dosing pump

Weighted suction line strainer 3/8" suitable for dosing pump.

White suction/discharge tube

Supply & fixing in repair high pressure single head chemical dosing system, power input 230V, 50 HZ, 40 SPM, 1/30 fractional horse power , pressure 5 Kg/sqcm, Max out put 6.5 ltr/hr with lead tubing, connecting ferrule, check valves etc complete with following accessories :- (a) Preparation tank of net capacity 170 ltrs FRP dosing tank dia 650xnet height 375 + conical 300 mm, Gross height with stand 1000 mm consisting of water inlet line, out let with Y strainer, drain, overflow, Conical bottom of sludge deposition, pot hole with cover, level gauge. (b) Agitator 120 watt 900 RPM single phase flange mounted motor with plastic shaft and impeller. (c) Service tank of net capacity 100 ltrs of FRP dosing tank top dia 540 mm x bottom dia 480 mm x height 575 mm consisting of water inlet line, dosing pump inlet arrangement, drain overflow, level gauge, inspection port. (d) Agitator 120 watt 900 RPM single phase flange mounted motor with plastic shaft and impeller.

Supply only Calcium Hypochlorite in granular form dry free flowing and free lumps, should not induce substances beyond acceptable limit as given in IS 10500(2012) in treated and disinfected water and packing drums 20-25 kgs/40-45 kgs to reduce in fire hazard in places of high ambient temparature with the following specifications :- (a) Available chlorine- 65% mass minimum (b) Stability - Loss of chloride on basisof available chloride maximum- 1/15 (c) Particle size (Passing through 1.70 mm IS sieve)- 99.5% by mass minimum (d) Water insoluble matter - 6% Max (e) Calcium Hydroxide - 4% Max (f) Sodium Chloride - 15% Max

Supply only following Chemicals :-

Bleaching Powder

Sodium Hypochlorite

Chlorine test kit consisting of N-diethyl-p-phenylenediamine liquid for free chlorine under DPD method ,Each Bottle of 100 ml .

Darpan Construction

Unity Enterprises

shubham construction

Shree Ayyappa Engineering

M/S SOMANATH ENTERPRISES