COMPREHENSIVE MAINT FOR EXTERNAL WATER SUPPLY PIPE LINES, PUMP AND VALVES AT NAD TS(K) AREA UNDER AGE B/R ALWAYE

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, laying of pipes, cables, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and directed.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

Supplying, laying,testing, jointing in repair ductile iron pipe flanged 150mm bore spigot class K-9 as per IS-8329 with inside cement lined complete with nut, bolts, packing etc complete all as specified and directed.

All as per Ser No 4 here-in-before but for 100 mm dia bore complete all as specified and directed.

Supplying and laying in repair of CPVC Schedule 40 pipes & plain CPVC Schedule 80 fittings laid in trenches fixed to walls/floors and jointed with CPVC primer & solvent cement for 100 mm inner dia including dismantling old one complete all as specified and directed.

All as per item No 6 here-in-before but for inner dia 75mm complete all as specified and directed.

Supplying and laying in replacement of CPVC pipes SDR 13.5 & Plain CPVC SDR 11 fittings in trenches/ wall/ floors complete all as specified for 50 mm outer dia bore complete all as specified and directed.

All as per Ser No 8 here-in-before but for 40 mm dia bore complete all as specified and directed.

All as per Ser No 8 here-in-before but for 25 mm dia bore complete all as specified and directed.

All as per Ser No 8 here-in-before but for 20 mm dia bore complete all as specified and directed.

Supply and fix, 500 litres capacity Rotational moulded polyethylene water storage tanks (ISI marked) (Cylindrical; vertical; with closed top) hoisted & fixed in position including taking down the unserviceable old one complete all as specified and as directed.

All as per Ser No 12 here-in-before but for 1000 litres capacity complete all as specified and directed.

All as per Ser No 12 here-in-before but for 2000 litres capacity complete all as specified and directed.

Supply and fix, in replacement of ball brass valves,high pressure 25mm with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

All as per Ser No 15 here-in-before but for 20 mm dia bore float valve complete all as specified and directed.

Repairs to CI sluice valves flanged type 150/100/80/65mm dia by taking down worn out U/S gland sleeve, check nut spindle, gate etc. and cleaning the valve by removing all the scales and reassembling the valve with new packing nut and bolts complete all as specified and directed.

Material and labour for PCC 1:2:4 type B1 (using 20mm graded stone aggregate) as in road cutting, supporting for pipes etc complete all as specified and directed.

Supply and fixing , CPVC Ball Valve outer diamtere 20 mm screwed both ends or flanged both ends including taking out existing un serviceable gate valve complete all as specified and directed.

All as per item No 19 here-in-before but outer diameter 25 mm complete all as specified and directed.

All as per item No 19 here-in-before but outer diameter 40 mm complete all as specified and directed.

All as per item No 19 here-in-before but outer diameter 50 mm complete all as specified and directed.

Material and labour for rewinding of centrifugal motor stator of 5 HP to 10 HP with super enameled insulated copper wire as per existing gauge with other winding material including cleaning of stator, slots, replacement of defective components and parts complete all as specified and directed.

All as per item No 24 here-in-before but for centrifugal motor of cap 12 to 30 HP complete all as specified and directed.

All as per item No 24 here-in-before but for Submersible motor of cap 15 HP complete all as specified and directed.

All as per item No 24 here-in-before but for Submersible motor/MoNo here-in-beforeblock motor of cap upto 2 HP complete all as specified and directed.

Material and labour for replacement of bearing for centrifugal pump set motor 7.5 HP capacity complete all as specified and directed.

All as per item No 28 here-in-before but 10 HP capacity complete all as specified and directed.

All as per item No 28 here-in-before but 15 HP capacity complete all as specified and directed.

All as per item No 28 here-in-before but 20 HP capacity complete all as specified and directed.

All as per item No 28 here-in-before but 30 HP capacity complete all as specified and directed.

Material and labour for replacement of Pump shaft of stainless steel for centrifugal pump set motor 7.5 HP capacity complete all as specified and directed.

All as per item No 33 here-in-before but 10 HP capacity complete all as specified and directed.

All as per item No 33 here-in-before but 15 HP capacity complete all as specified and directed.

All as per item No 33 here-in-before but 20 HP capacity complete all as specified and directed.

All as per item No 33 here-in-before but 30 HP capacity complete all as specified and directed.

Material and labour in replacement for coupling complete with key for motor pump for centrifugal pump set motor 7.5 HP capacity complete all as specified and directed.

All as per item No 38 here-in-before but 15 HP capacity complete all as specified and directed.

All as per item No 38 here-in-before but 20 HP capacity complete all as specified and directed.

Material and labour for replacement of bronze impeller suitable for centrifugal pump set motor 7.5 HP capacity complete all as specified and directed.

All as per item No 41 here-in-before but 15 HP capacity complete all as specified and directed.

All as per item No 41 here-in-before but 20 HP capacity complete all as specified and directed.

Material and labour in repairs for motor bush of gun metal upper & lower including fittings for centrifugal pump set motor 7.5 HP capacity complete all as specified and directed.

All as per item No 44 here-in-before but 15 HP capacity complete all as specified and directed.

All as per item No 44 here-in-before but 20 HP capacity complete all as specified and directed.

Supply and fix in replacement air release valve brass suitable for centrifugal pump set motor cap upto 30 HP complete all as specified and directed.

All as per item No 47 here-in-before but 15 HP capacity complete all as specified and directed.

All as per item No 47 here-in-before but 20 HP capacity complete all as specified and directed.

Supply and install in replacement fully star delta starter with single phase protection features in sheet steel enclosure type MN motor rating AC 415 Volts, 50 Hz, 3 phase of capacity 15 to 30 HP complete all as specified and directed.

All as per srl No 50 here-in-before but for 5 HP to 10 HP complete all as specified and directed.

Supply and install in replacement DOL starter with single phase protection features in sheet steel enclosure type MN motor rating AC 415 Volts, 50 Hz, 3 phase of capacity 5 HP complete all as specified and directed.

Supply and fix CI foot valve of 150 mm dia confirming to IS 4038 complete fixed on suction pipe of pump including taking down old existing valves complete all as specified and directed.

All as per srl No 53 here-in-before but of 100 mm dia bore complete all as specified and directed.

All as per srl No 53 here-in-before but of 50 mm dia bore complete all as specified and directed.

Supply and fixing in replacement upto 150mm dia bore DI/CI special such as bends, tees collars tail pieces confirming to IS-9523 flanged type complete all as specified and direcetd.

Cutting of existing cast iron pipe line of upto 150mm bore in position for inserting CI/DI special such as tees, bend, collar, tail piece etc for fixing of sluice valves/ for branch connection etc. complete all as specified and directed.

Material and labour for run lead joint including all jointing material for 100 mm bore cast iron spigot & socketed pipe & fittinngs including burning out old leaking lead joints in position and removing old lead complete all as specified and directed. (Earth work shall be measured and paid separately).

All as per Ser No 58 here-in-before but for 150 mm dia bore pipe complete all as specified and directed.

Material and labour for replacing of non return valve of size 150mm dia 1.6 PN completed confirming to IS 1969 double flanged drilled hole in both ends including nuts,bolts, gaskets and washers of suitable size with old unserviceable non return valve complete all as specified and as directed.

All as per Ser No 60 here-in-before but for 100 mm dia bore complete all as specified and directed.

All as per Ser No 60 here-in-before but for 80 mm dia bore pipe complete all as specified and directed.

All as per Ser No 60 here-in-before but for 65 mm dia bore pipe complete all as specified and directed.

Material and labour for construction of one brick massonary valve pit built in cement mortar 1:6 of size 110cm x 110 cm x 105 cm (internal diamension) over 15 cm thick PCC 1:3:6 type C2 sub base extended alround 15 cm beyond external edge of brick work including plastering 15 mm thick in cement mortar 1:4 internally and flush pointing to brick wall surfaces externally as work proceeds complete with MS Sheet cover 10 SWG with handle, angle iron frame 40mm x 40mm x 6mm (grouting with anchor fastioNo here-in-beforers length No here-in-beforet less than 15 cm - 04 Nos) Locking arrangement and painting complete all as specified and directed. (Rate quoted by the tenderer shall deemed to be included the cost of excavation and earth work).

All as per Ser No 64 here-in-before but for size 90cm x 90 cm x 105 cm (internal diamension) complete all as specified and directed.

Supply and fix cast iron body sluice valve heavy duty class PN 1.6 flanged ends any pattern with head wheels & brass spindle ISI marked confirming to IS-14846 of 2000 for 65 mm bore pipe with jointing material, flanged joints, rubber gaskets 6 mm thick, MS wedge nuts & bolts, washers 10 mm thick complete including dismantling old one complete all as specified and directed.

All as per Ser No 66 here-in-before but for 80 mm dia bore complete all as specified and directed.

All as per Ser No 66 here-in-before but for 100 mm dia bore complete all as specified and directed.

All as per Ser No 66 here-in-before but for 150 mm dia bore complete all as specified and directed.

Supply and fix float ball (set of two balls) of size 250mm dia into over head reservoir of capacity 15000 to 60000 gallon connected with ceiling rope 2mm dia of length upto 40 mtrs with GI Plate indicator hanged alongwith ceiling rope for indication of water level, including taking down old float ball complete all as specified and directed.

Replacement of single phase preventer of cap 100 Amps with reverse phase/single phase/overload protection complete all as specified and directed.

Material and labour for cleaning inside RCC OH Tank of 20000 Ltrs capacity (at TSK) by removing dirt, sediments, silts, algae etc from internal bottom and wall surfaces of tank using suitable brushes, applying bleaching powder and other cleaning agents as required including writing capacity of tank, date of cleaning and next due date of cleaning on outside the tank using the synthetic enamel paint and removing of creepers and bushes over the OH Tank and perimeter of the OH tank complete all as specified and directed.

All as per srl No 73 here-in-before but for RCC OH tank of capacity upto 60000 gallon at ambalapady & NAD depot including scafolding or any other tools/material reqd at site complete all as specified and directed.

All as per srl No 73 here-in-before but for underground RCC sump of 20000/25000 Ltrs capacity at TSK- 01, Ambalapady- 01, Ayudh vihar colony - 02 No complete all as specified and directed.

All as per srl No 73 here-in-before but for underground RCC sump capacity 50000/60000 Ltrs at Ambalapady- 01, Ayudh vihar colony - 01, depot 01 and NAE - 01 No complete all as specified and directed.

All as per srl No 73 here-in-before but for HDPE/AC Tanks of capacity 5000 Ltrs. Note for ser item Nos 57 to 61 here-in-before :- (a) Cleaning will be carried out twice during the entire contract period after completion of 6 months from the first cleaning. (b) After cleaning twice the qty will be measured as one job complete all as specified and directed.

Material and labour for synthetic enamel paint with one coat of painting of approved colour to overhead reservoir iron stairs/railings etc including connected acessories including preparation of old painted surface of height up to 21 m complete all as specified and directed.

Supply and fix in repair tank lid (HDPE) of capacity upto 1000 Ltrs with suitable sizes of hinges complete all as specified and directed.

Sampling and testing of water for the confirmation of desirable/permissible limit of following requirements for "DRINKING WATER" as per IS: 10500-1991 from Govt approved laboratory including transportation of water from site to lab complete all as specified and directed. (a) BACTERIOLOGICAL REQUIREMENTS : Testing of Coliform organisms/100 ml. (b) CHEMICAL REQUIREMENTS : Testing of colour Hazen unit Max, Odour, Taste, Turbidity NTU Max, pH Value, Total hardness (as CaCO3) mg/l max, Iron (as Fe) mg/l Max. (c) DESIRABLE CHARACTRISTICS : Testing of dessolved solids mg/l max, Calcium (as Ca) mg/l max, Manganese (as Mn) mg/l max, Copper (as Cu) mg/l max, Magnesium (as Mg) mg/l max, Sulphate (as SO4) mg/l max, Nitrate (as No here-in-before3) mg/l max, pheNo here-in-beforelic compound mg/l max, Mercury mg/l max, Cadium (as Cd) mg/l max, Selenium (as Se) mg/l max, Arsenic (as As) mg/l max, Cynide (as CN) mg/l max, Lead (as Pb) mg/l max, Zinc (as Zn) mg/l max, Chromium mg/l max, Mineral oil mg/l max

Supply and fix in replacement water pressure gauge of size 25 Kilo Pascal suitable for pumping line complete all as specified and directed.

Supply only high strength calcium based granular (calcium hypochlorite) disinfectant for water treatment, complete all as specified and directed.

Supply, fixing and testing in replacement electrical cable submersible type flat copper 3 core 10 sqmm with standard conductor PVC insulated and sheathed including jointing material complete all as specified and directed.

All as per Srl No 84 here-in-before but of size 4 sqmm x 3 core complete all as specified and directed.

Material and labour for disconnecting and refixing after repairing of water meter 50mm to 150mm dia by lab or OEM service centre and testing from KWA as per norms. (Note :- Rate quoted deemed for any type repair of water meter, testing, transportation etc including replacement of deffective parts) complete all as specified and directed.

Supply and fix in repairs cast iron air release valves with two air outlets, 50 mm dia bore and fixing Up in cast iron water supply mains complete all as specified and directed.

Material and labour for synthetic enamel paint with one coat of painting of approved colour to Centrifugal motor pump upto 30 HP including connected acessories such as sluice valves (65 mm to 150mm size), flanges, bends, pipes etc with marking as per instruction complete including preparation of old painted surface. (Note : All pumps, sluice valves/NRV, Pipes within pump house premises and connected acessories at one pump house will be measured as one job complete all as specified and directed.

Material and labour for cleaning and removing all scale and dirt etc from inside of rotational moulded polyethylene water storage tanks and from mouths of circulating pipes etc of tank size Exc 250 Ltrs and Not exc 500 ltrs cap complete all as specified and directed.

All as per item No 89 here-in-before but of size exc 500 ltrs & n exc 1000 ltrs cap complete all as specified and directed.

All as per item No 89 here-in-before but of size exc 1000 ltrs & n exc 2000 ltrs cap. Note for item Nos 89 to 91 here-in-before : Cleaning of tank will be carried out twice during the contract period, Minimum interval of 5 months will be maintained between 1st cleaning and 2nd cleaning. After cleaning twice qty will be measured as one job complete all as specified and directed.

Supply chlorine test kit with coloured ample, Orthotolidine solution and testing items packed in rexene finish wooden box. complete all as specified and directed.

Supply and fix in replacement DIGITAL auto level controller model ALC MK – I including top mounted, non contact ultrasonic level transmitter ( probe unit ), level indicating controlling box including system incorporated digital stage level, high & low alarm, etc. as all complete but without wire from transmitter to controlling box as per our enclosed catalogue sensing range upto 6 mtrs complete all as specified and directed.

Supply and laying in replacement 3 core shielded copper signal cable 0.75 Sq.mm branded materials require for proper and clear signaling complete all as specified and directed.

Material and labour for cleaning inside RCC static water tank of capacity upto 200000 Ltrs capacity (at NAD) by removing dirt, sediments, silts, algae etc from internal bottom and wall surfaces of tank using suitable brushes, applying bleaching powder and other cleaning agents as required including writing capacity of tank, date of cleaning and next due date of cleaning on outside the tank using the synthetic enamel paint and removing of creepers and bushes over the static water tank and perimeter of the static water tank and painting of tank inside and outside complete all as specified and directed.

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