REPAIR / MAINTENANCE OF EXTERNAL WATER DISTRIBUTION LINE, SERVICE TANKS DISTRIBUTION VALVES, VALVE CHAMBERS, CLEANING, CLEANING OF SERVICE TANKS AT VIJAY BAUGH, MC DET, SAMUDRIKA, CG, TRV, CG NAMUNAGHAR AND JCDA AREA UNDER GE HADDO, PORT BLAIR

Amount

M&L for cleaning and sterilization of inside the RCC/PVC Tanks/ through bacteriological treatment by using TERBAC G5/Inchor-5/NB-10/ TERBAC-G-65/ Inoxi-60/NB-69 AND ULTRA VIOLET RAY. Make: Happy tank / satya enterprise or equivlent in any agency. Note (a). First Stage is to drain out the water by using exit valve or high capacity dewatering system. (b). Second stage is cleaning all the algae formation inside the tank by using TERBAC G10/ Inoxi-60/NB-69 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks. (c). Third strage is fresh water cleaning by high speed jet pump. (d). Fourth stage and first bacteria screening is decertification by using TERBAC-G5/ Inohor-5/NB-10 a Govt Laboratory certified brannded halogen compound. (e). Fifth stage is cleaning the floor of water tank by industrial vaccum cleaner. (f) . Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within the tank and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65/Inoxi-60/NB-69 . NOTE:-(i) COMPANY WILL SUBMIT GOVERNMENT LABORATORY TEST CERTIFICATE OF TERBAC-G5/INCHOR-5/NB-10, TERBAC-G65/ INOXIi-60/NB-69, 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 OHT SHOULD BE PLUGGED BEFORE CLEANING THE OHT TO AVOID.ENTERING SCALS AND THE SAME SHELL BE RECONNECTED AFTER CLEANING THE OHT AND THE QUOTED RATE IS DEEMED TO INCLUDE FOR THE ROVISION . (III) STERILIZATION TEAM WILL BE COMPRISED OF AT LEAST 30% MEMBERS WHO ARE MINIMUM 03 MONTS CERTIFICATE HOLDER IN WATER TANKS STERILIZATION. NOTE:- THE WORK SHALL BE CARRIED THROUGH SPECILIZED AGENCY i.e, RAYS CLEANTECH/ INUS WATERTECH/HAPPY TANK / SATYA ENTERPRISE or equivalent in any agency.

(a) Service tank of capacity 300/500 Ltrs

(b) Service tank of capacity 750/1000 Ltrs

(c) Service tank of capacity 2000 Ltrs

(d) Service tank of capacity 3000/5000 Ltrs

(e) Service tank of capacity 10000 Ltrs

Taking up old unserviceable water storage tank and S&F rotational moulded polyethylene water storage tank double layer, ISI marked, (Cylindrical vertical with closed top) with GI medium grade pipe for inlet, outlet, over flow, checknuts for inlet and outlet, hoisted and fixed in position including 25 mm PTMT Ball vlave all as specified of following sizes of Make : SINTEX / Polycon / Rotex

(a) 500 Ltrs

(b) 1000 Ltrs

(c) 2000 Ltrs

(d) 5000 Ltrs

(e) 10000 Ltrs

M&L for taking out unserviceable sintex top cover and S & F new sintex top cover complete with hinges for secure and all as specified for the following sizes:-

(a) Upto 300 Ltrs

(b) 500 Ltrs and upto 2000 Ltrs

(c) 5000 Ltrs and upto 10000 Ltrs

M&L for preparation of old surfaces of GI/DI/CI pipes of 80/100/150mm diameter, at any location and at any height attached with Over head tanks/ UG sumps and spray painting using synthetic enamel paint of first quality of any tint as ordered and writing letters over the surface of pipe viz., "Supply line/Rising mains/Wash out pipe/Over flow pipe" of suitable on each pipe with white colour synthetic enamel paint including provision of new bolts, nuts and washers of required size complete all as specified and as directed.

M&L in repairs for mild steel framed work such as gates, grills, gratings, etc., ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work conforming to Fe-290 Gde E-165 complete and made out of suitable size MS angle iron/BMB/Flat iron, clamps, buts, bolt etc fixed by welding cutting is required as per Fe-410, including taking down of old wrought iron or mild steel structures of any size all as specified and as directed.

M&L for precast cement concrete solid block masonry with solid blocks using PCC 1:3:6, type C1 (using 20mm graded stone aggregate), exc. 10cm in width, set in CM 1:6 complete all as specified & directed.

M&L for plain cement concrete (1:2:4) type B1 (using 20mm graded stone aggregate) as in lintels upto 1.5m clear span, cills and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs including weathering, slightly rounded or chamfered angles and throating including necessary form work, exposed surfaces of concrete finished even and smooth without using extra cement complete all as specified and as directed.

M&L for 10mm thick plaster in CM (1:6) on fair faces of concrete/PCC block surfaces of walls finished even and smooth (without using extra cement) etc complete all as specified and as directed

Supply and Lay in repairs for Galvanized Iron water tubing " Medium Grade" with all fittings laid in trenches for following sizes Complete including taking down of old GI fittings all as specified and directed.

20 mm dia GI tubing

25 mm dia GI tubing

40mm dia GI tubing

50 mm dia GI tubing

80 mm dia GI tubing

100 mm dia GI tubing

Supply and fix in repairs for Gun metal globe or gate valve ISI marked high pressure with iron wheel head screwed both ends for iron pipe line and fixed of properly of following sizes . Make - Zoloto/Kartar/ Venus/Qinn

(a) 15 mm dia pipe

(b) 20 mm dia pipe

(c) 25 mm dia pipe

(d) 40 mm dia pipe

(e) 50 mm dia pipe

Material and Labour in repairs for run lead joints complete including jointing material such as spun yarn, pig lead all as specified for the CI/DI pipe of following sizes all as specified and directed.

(a) 150mm dia

(b) 100mm dia

(c) 80mm dia

Cutting of DI/CI/GI mains in position for insertion of new tees, tail pieces , sluice valve etc for following sizes all as specified and directed.

(a) 150 mm dia pipe

(b) 100 mm dia pipe

(c) 80 mm dia pipe

Labour only for taking out sluice valve/Non Return valve/ Air release valve any make and size including re- facing , replacement of check nuts , spindles , re- grinding of shutter and re - fixing the same including providing rubber insertion sheet , gland packing rope , nuts , bolts and washers etc to make the sluice valve leak proof and free. operational all as specified and directed for the following sizes. Note -1 :- Spindle and check nut will be measured and paid seperately. Note -2 :- Rate of rubber insertion sheet,nut,bolts,washers etc will deemed to be included in the quoted rate of item.

(a) 80 mm dia

(b) 100 mm dia

Supply and fix in repairs for CI sluice valve flanged of class PN 1.6 conforming to IS - 780 complete with iron wheel head , stainless steel spindle and check nut , including jointing material such as rubber insertion nut bolts washers etc complete ,of following size : Make - Kirloskar/Kartar/Leader/Zoloto/Upadhyay

(a ) 80 mm dia pipe

(b ) 100 mm dia pipe

S & F in repairs for 25 mm dia bore CPVC water tubing, grade SDR 11 including all necessary fittings such as sockets,socket reducer,bends, elbows, Tees, Tee reducers, unions etc, fixed to walls/laid in trenches/floors and making good the disturbed surfaces complete all as specified and as directed. Make: Prince / Finolex/ Dutron / SFMC / Prayag

S & F in repairs for 50 mm dia bore CPVC water tubing, grade SDR 11 including all necessary fittings such as sockets,socket reducer,bends, elbows, Tees, Tee reducers, unions and crutch butter fly valve as required etc, fixed to walls/laid in trenches/floors and making good the disturbed surfaces complete all as specified and as directed. Make: Prince / Finolex/ Dutron / SFMC / Prayag

M & L in repairs for 3- layer PP-R Polypropylene random copo lymer) conceal ed pipes SDR 7.4 (PN16) UV stabi lized and antimi crobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches/floor/wall complete all as specified and as directed of following sizes

(a) 32mm Dia

(b) 25mm Dia

(c) 63 mm dia

(d) 110 mm dia

Supply and fix in repairs for CI fitting for spigot socketed pipe such as bends (any type , radius and angle) tapers any type , (straight , bend increasing , decreasing or double socket etc) tee pieces single branch , Y junction double branch , of size - up to 150 mm dia all as specified and directed.

Material and Labour in repairs for Sluice Valve spindle with check nut (High tension Brass) of PN 1.6 for the following sizes:-

(c) 100mm dia

(d) 80mm dia

Taking down UNSV NRV of any description and Supply and fix 80 mm brass Non - Return Valves ISI marked , heavy duty , flanged/socket type complete all as specified and directed for the following sizes. Make - Kirloskar/Kartar/Leader /Upadhyay

Material and labour for cutting of road / hard standing not exc . 1.5 mtr wide and not exc. 1.5 mtr deep for laying and taking out water pipe line including making good the disturbed portion with PCC 1:2:4 type B1, finishing the surface fair and even complete all as specified and directed .

Supply and laying in repairs of DI pipe spigot and socket ends class 'K-7'suitable in replacement of CI Pipes for tyton joint or any length properly laid in trenches all as specified and directed by Engr-In-Charge of following sizes:-Make - Electrosteel/ Kesoram/ RASHMI Note:- Lead joint and Tyton joint will be measured and paid seperately under respective items of sch.

(a) 150mm dia pipe

(b) 100mm dia pipe

M & L Lifting RCC cover slabs of size 2 to 4 meters long, 1 to 1.5 meter width and upto 300mm thick and about 2 to 4 tons in weight lying on jetty by cutting /chipping the clearance groove all around ,keeping aside using a crane for layiing of new LT cables/water pipe line including removing of old water pipes of any type and any sizeand making good surface with PCC 1:2:4 complete all as specified and as directed. Note : (a) two or three slabs shall be taken out/removed as per site condition for laying the new water pipe line in the span of 4 to 5 meters, as per site requirement extra slabs if required to remove it will be also measured separately (b) Cost of T & P required for the work shall be included in the quoted rate. (c) Site will be available in a restricted manner and prior approval shall be obtained before work (d) Contractor is liable for any damage caused to existing services or structtures during the execution of work.

M&L for attending of water supply complaints for any leakage/ blockage in CI/DI spigot K7 pipe of size from 80mm to 150mm bore taking unserviceable/ upserviceable CI/DI water pipe lines all fittings/fixtures from trench including supply and laying CI/DI tubing upto 150mm bore upto1 mtr length (max) including necesssary cutting, making flanged at both ends and replacement of unserviceable CI/DI fittings such as CI/DI Bend /collars /Tee / reducer etc. suitable for upto 150mm at CG JETTY inside the Jetty gallery complete all as directed at site . Note : Items required and lifting of slab will be measured and paid separately under relevant item of work

M & L for preparation of old steel surfaces and applying one coat of synthetic enamel paint in position to all surfaces for pump sets complete including base frames at pump houses of centrifugal / Monobloc pumps of capacity up to 25 HP including as per existing colour and writing the pump details ( history sheet ) including all as specified and directed.

M & L for disconnecting and servicing of pump house LT panel board with providing of new busbar same rating , copper wiring and nut bolts in place of damaged at wherever, replacement of doors, hinges including glands and cable lugs , checking & calibration of all reading meters, power contacts , tightening of loose contacts including two coats of synthetic enamel paint and refixing with same location all as specified and directed.

M&L for attending of water supply complaints for any leakage/ blockage in GI pipe lines of size upto 80 mm bore taking up serviceable/unserviceable GI/CPVC/PPR/CI/DI water pipe lines all fittings/fixtures from trench including supply and laying GI/CPVC/PPR/CI/DI tubing 20mm/25mm bore upto1 mtr length (max) including necesssary cutting, threading and replacement of unserviceable GI/CPVC/PPR/CI/DI fittings such as GI/CPVC/PPR/CI/DI socket /Nipple /union socket /Tee/ reduceretc. suitable for 20mm/25mm including necessary excavation and earth work upto 1 Cum to repair the leakage/clearing the blockage in the pipe line and testing on completion complete all as directed at site NOTE: Excavation more than 1 Cum. and DI/CI fittings will be measured and paid separately

M & L for servicing of digital water meter of size up to 150 mm dia, replacement of strainer and reading parameters, including taking down for repairs and refixing the same in any type & size length of pipe line all as specified and directed.

SUPPLY ONLY Ef-Chlor sodium dichloroisocyanurate (NaDCC) water disinfection and purification granules, packed in plastic jars of 1 Kg net weight complete all as specified and as directed. MAKE: HIND PHARMA BHOPAL or equivalent make as approved

SUPPLY ONLY Aquafit Chlorine 65% to 70% (Calcium based granular disinfectant for water treatment, more stable than chloring gas and stronger than bleaching powder and sodium hypochlorite) in sealed 45 Kg drums net weight complete all as specified and as directed. MAKE: SREE RAYALASEEMA HI STRENGTH HYPO LIMITED or equivalent make as approved

Supply and fix in repair Air Release Valve PN 1.6/Refluex valve with confirming forming to IS - 14845 including all connecting items etc complete,of size 100 mm dia Make - Durga/Venus/Leader/Kirloskar/upadhyay/zoloto

M&L for carrying out repairs to valve chamber of size exceeding 900x900x900mm (Internal dimensions) but not exceeding 1200x1200x1200mm (Internal dimensions), taking out loose chamber cover and keeping aside for re-fixing, removing vegetation, small plants inside and outside of chamber, taking out plaster from internal and external wall surfaces by hacking, making good damaged/broken wall surfaces using PCC (1:3:6) solid blocks in CM(1:4), rendering 10mm thick in CM(1:4) for internal and external surfaces of masonry walls finished even and smooth without using extra cement, fixing of removed chamber cover firmly into the walls using cement mortar grouting and finished alround neatly, applying two coats of white wash on newly plastered surfaces internally and externally and applying a coat of synthetic enamel paint over a coat of red oxide zinc chrome primer all over to chamber cover complete all as specified and as directed.

M & L in repairs for UPVC ball valve of size 25 mm bore including all as specified and directed.

S&F in repairs for PTMT ball valve high pressure with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe with necessary GI fittings such as elbows, nipples etc., for the following sizes including taking down old unserviceable one complete all as specified and as directed. MAKE: PRAYAG/POLYTUFF or equivalent

20 mm bore (minimum weight 210 grams)

25 mm bore ( minimum weight 455 grams )

40 mm bore ( minimum weight grams )

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 m in depth, for foundation of poles, stays, struts or for laying cables/pipes etc., not exceeding 10 Sqm on plan and not exceeding 1.5m in depth and getting out in any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each as in soils complete all as specified and as directed.

Removing excavated material (soils) to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

M & L in repairs for UPVC pipes of size 50 mm dia ( SCH 80 ) as per standard ASTM D 1785 along with necessary fittings all as specified and directed.Make : PRINCE / SUPREME / FINOLEX

M/S AMBER PAVER PRODUCTS

SHUSHANT ASSOCIATES

Energy Water Supply

JD Construction

M/s K Moorthi

Govinda Swamy Construction

BABBAR ENGINEERS