REPAIR/MAINT OF EXTERNAL WATER SUPPLY DISTRIBUTION LINES, RISING MAINS, CONNECTED WORKS CLEANING OF OHT/UG SUMPS AND HOUSE SERVICE TANKS TREATED WATER TO STP, MAINT OF CHOLORONOMES PLANT AT HQTC BANGALORE

Amount

De-watering, removing all moses, algae and dirt from internal walls, floors & mouths of pipes of RCC overhead reservoir/ under ground sump by using steel wire brush and cleaning with high pressure industrial vacuum cleaner including removing of dirty water completely using sludge pump set and disposing of the same to a safe distance and applying of anti bacterial sterilization spray to internal surfaces using Zero bacterial compound by approved chemical and bleaching powder and writing the date of cleaning on outside of tank/ sump using synthetic enamel paint of white colour over black background with letters of size 100mm height x 100mm wide complete for OH Reservoir 1,00,000 Gallons capacity with 98 feet staging all as directed and specified.

All as per item No.1 above but OH Reservoir 50,000 Gallons capacity with 65 feet staging

All as per item No.1 above but UG sump 25000 ltrs capacity

All as per item No.1 above but OH Reservoir 10,000 Gallons capacity with 60 feet staging

All as per item No.1 above but including white wash outer side of UG sump 1,50,000 Gallons capacity

All as per item No.1 above but including white wash outer side of UG sump 75,000 Gallons capacity

All as per item No.1 above but including white was outer side of UG sump 50,000 Gallon capacity

All as per item No.1 above but collection tank swimming pool 50,000 Litres capacity

All as per item No.1 above but under Ground Sump 10,000 ltrs capacity

All as per item No.1 above but Static water tank 50,000 litres capacity

All as per item No. 1 above but OH service tank upto 25000 ltrs capacity

All as per item No. 1 above but PVC under ground tank upto 5000 ltrs capacity

Supply and fix in repair flexible PVC braided pipe, heavy duty, 50mm dia with circlips/ clamps suitable for suction sweeper all as specified and as directed.

Supply and fix in repair flexible PVC braided pipe, heavy duty, 40mm dia with circlips/ clamps suitable for suction sweeper all as specified and as directed.

Supply and fix in repair flexible PVC braided pipe, heavy duty, 25mm dia with circlips/ clamps suitable for suction sweeper all as specified and as directed.

Supply and fix Nylon rope heavy duty (Manila type) of size 25mm dia all as specified and as directed.

Supply and fix, in reparir, Nylon brush suitable for suction sweeper, 2 feet x 2 inch size with necessary nuts, bolts, washers etc including removing unserviceable brush all as specified and as directed.

Supply anf fix in repair rubber gasket suitable for suction sweeper including MS flat strip support, bolts, nuts and washers complete, fixed in repairs all as specified and as directed.

Dewatering, cleaning of FIDAS/UG sump at STP with high pressure water jet to remove all mosses, algae and dirt and removal of dirty water using sludge pump set/industrial vaccume cleaners and disposing of the same to a safe distance and including scrubbing of internal floor surface by using steel brush, removing of dirt,spread the bleaching powder aroun the tank completely and carefully remove the diffuser and after cleaning re connection of the diffusers ,testing the same including applying two coats of white wash to external surface complete and writing in white colour the date of cleaning by using synthetic enamel paint over black back ground with letters of size 100mm height, 100mm wide complete all as specified and directed for FIDAS 50000 Ltrs capacity.

All as per item No. 19 above but UG Raw water sump of capacity 100000 ltrs including incoming chambers.

All as per item No.19 above but UG sump 25000 ltrs (clarified water collection tank) capacity

All as per item No.19 above but treated water UG Sump 100000 Ltrs capacity

Supply & fix PVC control valve 25mm dia of superior quality all as all as specified and directed by Engineer in charge.

Supply & fix PVC control valve 20mm dia of superior quality all as specified and as directed.

Comprehensive repairs and servicing of chloronome plants of sodium hypo-chlorite dosing plant of chlorine dosing system high pressure single head gear motored adjustable with tank make declibac at HQTC main pump house, swimming pool and STP -04 Nos, cleaning of chlorine tank and necessary repair & replacement of unserviceable parts & reassembling the same including testing complete all as specified and directed by Engineer in charge. Notes-: Spair parts shall be measeured and paid separately.

M&L for daily Chemical treament, pool water quality and standards is compulsory should be be maintained as per TI 03 / 2010 of Ser No 15 & 16& and quality tolerances for water for swimming pools as IS 3328-1965 :- PH - 7,4 to 7.6, Free Chlorine - 0.5 to 1.0 ppm Total alkalinity - 75 ppm Total Hardness - 200 ppm TDS - 500 ppm minimum The same should be maintained as per requirement chemical adding The report should be produced twice in a month Bacteriological Standards Coli forms and E Coli should be absent in 100 ml sample this is used achieved when a free cholorine residual is maintained between 0.5 to 1.0 mg/l The same should be maintained by adding chemical such as sodium hypocholorite Solution,and cupper sulphate as per IS 261. The Cholorine test should be carried out twice in a day by using orthotolidine reagent. The super chlorination should be be done once in a fortnight. Chemical standards The PH of pool water should be maintained as near as possible to 7.5. The PH test to be carried out in twice in day by using suitable reagent and chemical should be added such as soad ash and acid as per test report. Physical Standards A Clarity of 12 m visibility should be maintained. The bottom of the pool at the deepest point must be visiable at all timesand free from algae that the should be acheived by using algacides and biocides in gel form for cooling water treatment and TDS should be maintained by using Aluminium sulphate etc IS Standards 261

Supply and fix “Foot Valve assembly” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply and fix “Anti Siphon Valve” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply and fix “Pulsar circuit and speed potential meter” and adjustable motor for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply and fix“Diaphragm” for sodium hypo-chlorite dosing pump completeas per existing make all as specified and directed by Engineer in charge.

Supply and fix “PVC Pipe heavy duty” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply and fix “Suction valve seal” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply and fix “Ball ceramic” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Supply and fix“Diaphragm Seal” for sodium hypo-chlorite dosing pump complete as per existing make all as specified and directed by Engineer in charge.

Repair/replacement of, servicing of LT panel boards at swimming pool installation with switch gears consisting of Incoming and out going MCCBs, pump set starters and connected accessories as specified / comprising the following tasks :- (i) Cleaning with blower (ii) Cleaning with brush (iii) Replacement of damaged cable lugs (iv) Replacement of deteriorated copper wiring (v) Replacement of sheared rubber beadings (vi) Tightening of loose connections (vii) Preparation of old painted surfaces and applying one coat of metallic spray paint of approved colour. (viii) hinges and welding as required

Excavation in trenches soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5 m deep for laying of pipes,complete all as specified and directed.

Returning, filling of excavated soil in, including spreading, levelling, watering and well ramming in layer not exceeding 25 cm thick complete all as specified and directed.

Removal of surplus soil to a distance exc.50m and not exc 1.5 mtr and depositing at the location all as specified and directed by Engineer-in-Charge.

Taking up or down GI pipes medium grade alongwith pipe fittings from trenches floors, walls and roof etc including cleaning for refixingor removal to store the following size.

100mm dia

80mm dia

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and fix in repair galvanised water tubes, medium grade including all fittings, laid in wall/ ceiling/floors complete of following sizes all as specified and as directed.

40mm dia

25mm dia

20mm dia

15mm dia

Supply and fix in repair galvanised water tubes, light grade including all fittings, laid in trenches complete of following sizes all as specified and as directed.

100mm dia

80mm dia

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply & fixing in repair Gun-metal, globe or gate valves, heavy duty, with iron wheel head, screwed both ends (ISI marked) of size offollowing including taking down complete all as specified & directed by Engr-in-Charge. MAKES –NETA/SIGMA/LEADER

100 mm dia

80 mm dia

50 mm dia

40 mm dia

25 mm dia.

20 mm dia.

15 mm dia

Relaying only GI tubing of medium grade obtained from item No. 39 above, in trenches/walls/ ceiling including provision of new fittings complete in old/new location of following sizes all as specified and as directed. Note : Excavation and earth work where required shall be measured and paid separately under relevant items of this Schedule

100mm dia

80mm dia

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Taking up cast iron water pipe (including all fittings), with spigot and socket ends and lead joints ncluding burning out joints and recovering lead complete all as specified and directed.

200 mm dia

150 mm dia.

100 mm dia.

Supply and fix CI fittings, heavy duty, such as bends, tapers, tees,collars,tail pieces, reducers, etc laid and jointed with suitable push on joints complete upto 150 mm dia all as directed and specified by Eng-in-charge.

Supply and fix CI fittings, heavy duty, such as bends, tapers, tees,collars,tail pieces, reducers, etc laid and jointed with suitable push on joints complete upto 200 to 300 mm dia all as directed and specified by Eng-in-charge.

Supply, laying and testing of Ductile iron pipes, 200mm dia, class K-9, with spigot and socketed ends centrifugally cast (spun) with factory applied cement mortar lining inside the pipes and outside with zinc coating with suitable push on joint (rubber gasket D joint), complete all as specified and directed. Make:Sreepipe Note: Excavation and earth work and DI specials where wherever required shall be measured and paid separately under relevant item of this schedule.

All as per item No 47 above but 150 mm dia

All as per item No. 47 above but 100 mm dia

M&L cement concrete type D- 2, 1:4:8 using 40mm grade aggregate 75 mm thick complete all as specified and directed.

Supply and fix CI sluice valve of pressure Class PN - 1.6 flanged, 200 mm dia and drilled at both ends with ISI mark, having steel spindle and gunmetal rings including wheel for operation all as specifed and all jointing materials, bolts, nuts, washers, etc, all as specifed and as directed including dismantling and taking up unserviceable of the following sizes complete:-

All as per item No.51 above but 150 mm bore

All as per item No.51 above but 100 mm bore

All as per item No.51 above but 80 mm bore

Supply and fix Run lead joints for CI spigot and socket pipes 200 mm dia all as specified and as directed.

All as per item No 55 above but 150 mm dia

All as per item No 55 above but 100 mm dia

All as per item No 55 above but 80mm dia

M&L for Stainless steel spindle and lock nut suitable for 200 mm size sluice valves, duly threaded fitted with necessary fabrication work to suit with existing size including provision of new gland packing and new strands and nuts and taking out unserviceable spindle from the existing sluice valve complete all as specified and as directed.

All as per item No 59 above but 150 mm bore all as directed and specified.

All as per item No 59 above but 100 mm bore all as directed and specified.

Supply and fix Non return valve, heavy duty, ISI Marked, PN –1.0, both end flanged, suitable to fix with 150mm dia pipe line including taking down existing unserviceable non return valve all as specified and as directed.

Supply and fix Non return valve, heavy duty, ISI Marked, PN –1.0, both end flanged, suitable to fix with 80mm dia pipe line including taking down existing unserviceable non return valve all as specified and as directed.

Material and labour for attending break down maintenance of pumping line CI/DI/MS upto 300 mm dia) from CJF pump house at Malleshwaram to HQTC pump house including necessary earth work to a depth not exceeding 2.0 meter wherever as required using JCB/ Manual according to the site condition and making good the distrubed surfaces / road cuttings by refilling and removing surplus soil to a distance complete all as directed and specified by Eng-in-Charge. (a) The contractor shall supply any kind of tools & machinery required for the completion of job. (b) Execution of work / attending break down may also occur in the civil area / road crossing. Therefore the quoted rate is deemed to be inclusive of any precautionery measures while working on public places and strict adherence to the norm as applicables. (c) Any kind of CI/DI/MS Pipe line upto 300 mm, fittings like collar or bends etc and run lead joint shall be measured and paid not separately.

Supply and fix air release valve 150mm dia including all joint with rubber gasket and jonting materials , bolts , nuts, washers all as specifed and as directed including dismantling and removing unserviceable valve complete all as directed.

Supply and fix Butterfly valve, heavy duty, ISI Marked, both end flanged, suitable to fix with 150mm dia pipe line all as specified and as directed.

All as per item No 66 above but 100 mm dia

All as per item No 66 above but 80 mm dia

All as per item No 66 above but 65 mm dia

All as per item No 66 above but 50 mm dia

S&F ball valve high pressure PTMT with epoxy coated aluminium rod and high denacity plastic ball screwed for iron pipe of 15 mm dia min weight 142 grams.

All as per item No 71 above but 20 mm dia

All as per item No 71 above but 25 mm dia

Suppy and laying of CPVC pipe SDR 11 of size 20mm outer dia with all fittings on walls /ceiling/floors complete all as specifide and directed.

Supply and laying of CPVC pipe SDR 11 of size 25mm outer dia with all fittings on walls /ceiling/floors complete all as specifide and directed.

Supply and laying of CPVC pipe SDR 11 of size 40mm outer dia with all fittings on walls /ceiling/floors complete all as specifide and directed.

S&F CPVC ball valve of size 40 mm dia

S&F CPVC ball valve of size 25 mm dia

S&F CPVC ball valve of size 20 mm dia

S&F in repair bib tap strandard of PTMT any colour high pressure screwed for iron pipe of size 15mm dia minimum weight 90 grams.

S&F in repair bib tap strandard of PTMT any colour high pressure screwed for iron pipe of size 20mm dia minimum weight 90 grams.

M&L cement concrete type B- 1, 1:2:4 using 20mm grade aggregate in mass concrete complete all as specified and directed.

S&F and in repair PTMT ball valve, high pressure, with epoxy coated aluminium rod and high density plastic ball screwed for 15mm bore GI tubes, fixed in repairs, all as specified and as directed.

Taking down CPVC pipe SDR 11, 20mm outer dia with all fittings.

Taking down CPVC pipe SDR 11, 25mm outer dia with all fittings.

Taking down CPVC pipe SDR 11, 40mm outer dia with all fittings.

S&F water meter with flanged 200mm dia DI/CI/MS/GI pipe with necessary cutting, fitting and fixtures and excavation as required, testing and commissioning, complete all as specfied and directed.

All as per item No 87 above but 150 mm dia

All as per item No 87 above but 100 mm dia

All as per item No 87 above but 80 mm dia

JM Engineering

Auromirra Enterprises