REPAIR/ MAINTENANCE OF INTERNAL AND EXTERNAL RAW WATER PIPELINE AND CONNECTED ACCESSORIES UNDER GE (NW) NAVY NAGAR, COLABA, MUMBAI

Material and labour for attending Raw water/Treated water supply complaints and rectification as mentioned below here in after

Internal complaint (in side Room) Including Flush tank Cleaning

External complaint upto 4th floor

External complaint upto 8th floor

External complaint upto 12th floor

External complaint upto 14 th floor Note :- (a) Scaffolading if any required during the progress of work the contractor shall provide the same with out any extra cost to the department the rates quoted shall be deemed inclusive of this provision (b) Necessary complaint book shall be provided and maintained by the contractor, complaint slip shall be deposited very next day in the complaint cell of STP Complaint Cell w/s duly signed by the occupant (c) Rates for small fittings and parts are deemed to be included in item rate however pipes, valves, PVC connection shall be measured and paid for separately under relevent items of schedules.

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 land distance exc 5 KMs & n.exc 10 KMs 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.

(a) Sump capacity of approximately 3,50,000 Liters

(b) Sump capacity of approximately 3,20,000 Liters

(c) Sump capacity of approximately 2,00,000 Liters

(d) Sump capacity of approximately 1,50,000 Liters

(e) Sump capacity of approximately 85,000 Liters

Cleaning of raw water OHT tanks of capacity up to 2000 ltrs in existing position by mechanised pressure cleaned by Mechanical high pressure spray and steel wire brush to remove algae/dirt/foregin completely and soaking out water/dirt with a high pressure wet vaccume pump and removing spoils outside of MD land and providing sticker showing the date of cleaning complete all as specified

Cleaning of raw water OHT tanks of capacity up to 1000 ltrs in existing position by mechanised pressure cleaned by Mechanical high pressure spray and steel wire brush to remove algae/dirt/foregin completely and soaking out water/dirt with a high pressure wet vaccume pump and removing spoils outside of MD land and providing sticker showing the date of cleaning complete all as specified

5. S&F in repairs 3000 Ltr capacity rotational moulded (HDPE) 3 layer polyethlene water storage tank (Cylinderical vertical with closed top lid cover) hosisting and fixing in position at high rise bldgs including removing existing tank disconnecing all incoming & out going connection provision of new tank fittings & connecting at existing position up to 50mm PP-R pipe connection complete all as specified and directed

S&F in repairs 2000 Ltr capacity rotational moulded (HDPE) 3 layer polyethlene water storage tank (Cylinderical vertical with closed top lid cover) hosisting and fixing in position at high rise bldgs including removing existing tank disconnecing all incoming & out going connection provision of new tank fittings & connecting at existing position up to 50mm PP-R pipe connection complete all as specified and directed

S&F in repairs 1000Ltr capacity rotational moulded (HDPE) 3 layer polyethlene water storage tank (Cylinderical vertical with closed top lid cover) hosisting and fixing in position at high rise bldgs including removing existing tank disconnecing all incoming & out going connection provision of new tank fittings & connecting at existing position up to 50mm PP-R pipe connection complete all as specified and directed

S & F in repairs PP-R Gate valves (brass insert) with iron wheel head screwed both ends for PP-R including fittings ie union socket etc complee all as specified for following sizes : Make : SFMC/KPT/Fussion (ISI Marked)

25 mm bore

40 mm bore

50 mm bore

S & F in repairs 15 mm bore stop valves, cast copper alloy,screwed down,high pressure,with crutch or butterfly handle,screwed both ends for iron pipe or for unions all as specified and directed.

S & F in repair sluice valves , cast iron body, flanged end drilled and non rising type Brass spindle with long body, class P N 1.6, conforming to IS 14846 of 2000 including flange joint with rubber or fiber board, bolts, nuts and wahers complete including pumping out accumulated water all as specified and directed for following sizes :-

100 mm bore

80 mm bore

S & F in repair 3-layer PP-R Polypropylene random copolymer) pipes SDR 7.4 UVstablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded Polypropylene random fittings fixed complete to walls, ceilings or in floors etc.

S& F in repair 3-layer PP-R Polypropylene random copolymer) pipes SDR 11 UVstablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded PP-R plain & brass threadedpolypropylene random fittings laid in trenches. etc.

Excavation in trenches not exceeding 1.5 mtr wide not exceeding 1.5 mtr in depth and getting out in soft/loose soil all as specified.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms in any type of soil all as specified.

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc 15 cm thickness (below or above ground level) and debris out side MD land all as specified.

M&L cement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as in support of CI pipes, foundation and hardstanding finishing even and fair without using extra cement all as specified.

Removing excavated material exc 150 M but n.exc out side md land a distance 500 M and depositing where directed all as specified.

Supply and mixing/fill following chemicals:-

Ferrous sulphate

Polyelectrolyte

Hydrate Lime

UNI-Enzyme

Bio Cluture

Calcium hypochloride

Soda Ash

Caustic Soda

Alum Non ferric.

Repair to Centrifugal pump set of capacity 60 HP by replacing wornout impellers - 01 set, with bronze impellers, bearings - 02 Nos, bearing housing, gland bush, gland cups, unserviceable nuts, bolts, washers, etc all as specified and directed.

Repair to Centrifugal pump set of capacity 30 HP by replacing wornout impellers - 01 set, with bronze impellers, bearings - 02 Nos, bearing housing , gland bush, gland cups, unserviceable nuts, bolts, washers, etc all as specified and directed.

Repair to Centrifugal pump set of capacity 7.5 HP by replacing wornout impellers - 01 set, with bronze impellers, bearings - 02 Nos, bearing housing, gland bush, gland cups, unserviceable nuts, bolts, washers, etc all as specified and directed.

Repair to Centrifugal pump set of capacity 5 HP by replacing wornout impellers - 01 set, with bronze impellers, bearings - 02 Nos, bearing housing, gland bush, gland cups, unserviceable nuts, bolts, washers, etc all as specified and directed.

S &F in repair and replacemnt of MCCB with thermal adjustment of 0.8 to 1In and magnetic adjustable 5 t0 10 In and Ics=100% of Icu and repacing burnout copper spreaders of suitable size including nuts and bolts and fixing to existing panel including necessary alternation to existing busbar and panel all as specfied and directed by Enginner-in-charge

MCCB of 200A, Breaking capacity 36KA,4P Make L &T/C &S/Havells/Legrand or equivalent

MCCB of 125 A, Breaking capacity 36KA,3P Make L &T/C &S/Havells/Legrand or equivalent

MCCB of 100A,Breaking capacity 36KA,3P Make - L &T/C &S/Havells/Legrand or equivalent

S &F in repair AC-3 type contactor with control voltage of 230V AC with integrated auxillary or Add on block contacts with 1 or 2 NO and NC including connection of control wiring to contactor and testing of starter after repairing .

Contactor rating of 125A Make L &T/Havells/C&S/Legrand or equivalent of approved make.

Contactor rating of 70A Make L &T/Havells/C&S/Legrand or equivalent of approved make.

Contactor rating of 40A Make L &T/Havells/C&S/Legrand or equivalent of approved make.

Earthing complete with galvanised steel earth plate electrode 60 × 60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth strip 25x4 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion

Supply/Fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings such as nipple, union, socket, elbow, bends, in 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.

Supply and fix in repairs in existing line, hand operated butterfly valve of pressure not less than PN-10 with complete set all as specified and directed. Make L&T/Kirloskar/Zoloto/Leader/TATA

50mm bore

80 mm bore

100 mm bore

150 mm bore

Supply and fixing in repair/ replacement of internal steel water tubing, galvanised, Medium grade with all fittings such as nipple, union, socket, elbow, bends, fixed to wall including work to be done up to 15 th floor in high rise buildings in short piece/length, including breaking the existing brick wall for replacement of corroded GI pipe in/ on wall and making good the disturbed surfaces to match previous structure with complete all as specified and directed by Engineer-in-charge of following sizes :-

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50mm bore

Supply & fix in repair of PVC(LLDPE) rectangular loft tank of net capacity 275 Ltrs with gross capacity of tank at least 5% in excessof minimum net capacity including 03 Nos adopter with washer for inlet/outlet overflow pipe as per manufacturere s instruction and overall dimension as 995-1200mm length , 620-820mm with 285-485mm height , 300mm internal dia of hand hole, minimum wall thickness 2.75mm ( weight of tank 11 Kgs) with lid cover complete all as specified and directed by Engineer-in- Charge.

Supply and fix in repair/replacement PVC profile suitable for 275 ltrs loft tank including fixing of aluminium channel around the profile complete all as specified and directed.

Supply and fix in repair/replacement bronze pressure reducing valve suitable for 25 mm bore GI pipe with diaphram cover, spring clamps, cast iron body scatting and adjustable screws and stop valve of chromium plated carbon steel strainer, screw of stain less steel for domestic water supply, suitable for inlet pressure as per IS-7939, including GI pipe connection as required, the work to be carried out from G+14 floor on plain wall with necessary bamboo scaffolding complete all as specified and directed by Engineer-in-Charge.

Take water sample from STP and test water quality parameters include chemical, physical and biological properties and can be tested or monitored based on the desired water parameters of concern. Parameters that are frequently sampled or monitored for water quality include temperature, disolved oxygen, pH, conductivity, ORP and turnidity, BOD,COD, oil and grease, Amonical nitrogen, free amonia, Faecal Coliform, Sulphate, Chloride, Silica, Ca.Mg,TDS, Conductivity, Total residual chlorine, Amonical Nitrogen, Nitrate Nitrogen, Total Kjeldahl Nitrogen from govt approved lab all as specified and directed by Engineer-in-charge. Note : Report shall be submitted alongwith contractors claim.

Supply and fix in repairs CP bib cock, with crutch or butterfly handle screwed both ends for GI tubing 15 mm dia bore including necessary clamp & saddles etc all as specified.

Dismantling of existing connection and taking out pressure reducing valve of size 25 mm bore cleaning servicing and refixing at existing location in high rise buildings (G+14) including provision of fittings, i.e. union, elbow, bend, nipple, etc. complete to make the line functional all as specified.

Supply and fix in repair brass float valve (ISI marked) high pressure with polythelene float (flat) and fly nut complete screwed for GI pipe 15mm bore including necessary GI fittings such as elbow, reducer, nipple etc.

All as per item No 35.00 above but for GI pipe 20 mm bore

All as per item No 35.00 above but for GI pipe 25 mm bore

All as per item No 35.00 above but for GI pipe 40 mm bore

Supply and fix in repair/replacement of gun-metal, gate valve in existing line in position with iron wheel head class I, made out of brass, screwed both ends for GI pipe with union, ISI marked complete all as directed of the following :-

25 mm bore

40 mm bore

50 mm bore

Supply and laying in repair/ replacement of CPVC pipes 20 mm nominal bore SDR 11 & Plain CPVC SDR 11 fittings such as nipple, union, socket, elbow, bends, tee, adopter e.t.c fixed to wall/floors/ceiling including work to be done up to 15 th floor in high rise buildings and low rise buildings in short piece/length all as specified and directed by Engineer-in-charge.

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.

S&F 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

For capacity of 2000 litres

For capacity of 1000 litres

For capacity of 500 litres

M&L for Disconnecting motor power cables of various sizes from electrical motor 60 HP capacities and decoupling from the pump sets, removing and taking down carefully and transporting to authorised workshop, Dismantaling stator and rotor carefully and rewinding stator assembly with supper enamelled copper winding wire of suitable gauge matching to existing gauge and cleaning of slots, core with carbon tetra chloride solution and apply two coats of insulation varnish and keep stator assembly in heating chamber to improve insulation strength, reassemble motor completey and transporation to site, coupling pump to motor and check for proper shaft alignments such that no vibratiobn produce during opertioncoupling to pump with exact allinment, connect power cables to motor and testing of following capacity motor.

All as per item No 40.00 above but 30HP