CLEANING OF RAW WATER STORAGE TANKS UG SUMP/OHTS INCL REPAIR/MAINT OF FILTRATION PLANT AND CHLORINATION PLANT AT VARIOUS WATER SUPPLY INSTALLATION UNDER GE (A) SURATGARH AT SURATGARH MIL STN

M&L for cleaning of inner surfaces of RCC over head reservoir (staging upto 21 mtrs) of approximate storage capacity of OHT upto 0.50 Lakh gallons, manually by trained and skilled manpower for working in over head reservoir with suitable T&P and equipments with safety measure as required. Draining out the muddy water from the bottom surface of OHT then clean the inside walls, scraping with the help of wire brush, inlcuding removal green algae, dirt etc and drainning out complete unwanted material obtained from cleanning as well as apply disinfictant / bleaching powder, chemical safe for human being on inner surface of the tank including writing the words in capital letters “TANK CAPACITY, DATE OF CLEANING, NEXT DUE DATE” on outerside visible place of overhead tank and with synthetic enamel white paint (white) over black background complete as directed by Engr-in-charge. Note: (i) Contractor shall be solely responsible for insurance of his workers as working at height and arrangement for approching in the tank and safety measures. (ii) Necessary arrengement shall be made by the contractor for smooth supply of water during cleaning or other bypass arrangement as required at site without any extra cost to the department.

All as per above Approximate storage capacity of OHT, 1.0 Lakh gallons

All as per above Approximate storage capacity of OHT, 1.5-2 Lakh gallons

M&L for cleaning of inner surfaces of RCC under ground / semi under ground clear water reservoir , of approximate storage capacity upto 0.750 Lakh gallons, manually by trained and skilled manpower for working in under ground reservoir with suitable T&P and equipments with safety measure. Draining out the muddy water from the bottom surface of tank then clean the inside walls, scraping with the help of wire brush, inlcuding removal green algae, dirt etc and drainning out complete unwanted material obtained from cleanning as well as apply disinfictant / bleaching powder, chemical safe for human being on inner surface ot the tank including writing the words in capital letters “TANK CAPACITY, DATE OF CLEANING, NEXT DUE DATE” on outerside visible place of tank with synthetic enamel white paint (white) over black background complete as directed by Engr-in-charge. Note:- (i) Necessary arrengement shall be made by the contractor for stopping of water coming inside the tank or other bypass arrangement as required at site without any extra cost to the department. (ii) Contractor shall arrange the sufficient manpower and T&P for complete cleaning of the

tank within one day only. (a) Approximate capacity upto 0.75 Lakh gallons

(b)All as per above Approximate storage capacity 1.0-1.5 Lakh gallons

(d) All as per above Approximate storage capacity 2.0-3.0 Lakh gallons

M&L for cleaning of Raw water Intake tank of capacity upto 75,000 Gallons at Old KLP Pump House, Rajcanal Project PH by drain out the muddy water from bottom surfaces of the tank by using engine driven sludge pump and removing the mud any type, soft / loose soil or any residual of alum, scrap etc. manually and depositing out of MD land and cleaning inner surfaces of the tank with the help of wire brushes and uprooting any type of vegitation/ root of tree, plants etc. complete and making good to disturbed surfaces during cleaning and writing date of cleaning with synthetic enamel paint (white colour) on black background on outer surface of the tank and apply one coats of white colour cement paint washing on outside surfaces of the tank and white washing on inner surfaces of the tank as directed by Engr-in-charge. Note:- (i) Any damage to the tank during cleaning shall be repaired / rectified by the contractor as per original specification of the tank without extra cost to the department. (ii) Rate includes the cost of complete dewatering and complete removing of silt / loose soil / mud any type.

M&L for cleaning of Raw water Intake tank of capacity upto Raw water Intake tank of capacity upto 50,000 Gallon at KLP Pump House, Birdhwal PH (Approximate size of tank 15 mtr x15 mtr, 6 mtr deep) by drain out the muddy water from bottom surfaces of the tank by using engine driven sludge pump and removing the mud any type, soft / loose soil or any residual of alum, scrap etc. manually and depositing out of MD land and cleaning inner surfaces of the tank with the help of wire brushes and uprooting any type of vegitation/ root of tree, plants etc. complete and making good to disturbed surfaces during cleaning and writing date of cleaning with synthetic enamel paint (white colour) on black background on outer surface of the tank and apply one coats of white colour cement paint washing on outside surfaces of the tank and white washing on inner surfaces of the tank as directed by Engr-in-charge. Note:- (i) Any damage to the tank during cleaning shall be repaired / rectified by the contractor as per original specification of the tank without extra cost to the department. (ii) Rate includes the cost of complete dewatering and complete removing of silt / loose soil / mud any type.

M&L for cleaning of clariflocculator / clarifier tank of water filteration plant capacity 1,40,000 Gallon/Hour by drain out the muddy water from bottom surfaces of the tank by using suitable T&P, engine driven sludge pump and removing the residual of alum, sludge, mud, other materails, any type manually and depositing out of MD land and cleaning inside & bottom surfaces of tank including one coat of cement paint washing on surfaces of wall inside and outside and writing the date of cleaning with synthetic enamel paint (white) on outer surface of the tank (black background) complete all as directed by Engr-in-Charge.

M&L for cleaning of clariflocculator / clarifier tank of water filteration plant capacity 80,000 Gallon/Hour by drain out the muddy water from bottom surfaces of the tank by using suitable T&P, engine driven sludge pump and removing the residual of alum, sludge, mud, other materails, any type manually and depositing out of MD land and cleaning inside & bottom surfaces of tank including one coat of cement paint washing on surfaces of wall inside and outside and writing the date of cleaning with synthetic enamel paint (white) on outer surface of the tank (black background) complete all as directed by Engr-in-Charge.

M&L for cleaning of clariflocculator / clarifier tank of water filteration plant capacity 40,000 Gallon/Hour by drain out the muddy water from bottom surfaces of the tank by using suitable T&P, engine driven sludge pump and removing the residual of alum, sludge, mud, other materails, any type manually and depositing out of MD land and cleaning inside & bottom surfaces of tank including one coat of cement paint washing on surfaces of wall inside and outside and writing the date of cleaning with synthetic enamel paint (white) on outer surface of the tank (black background) complete all as directed by Engr-in-Charge.

M&L for greasing, oiling on moving parts of clariflocculator of water filtration plant 1,40,000 Gallon/Hour and painting with two coat of synthetic enamel weather proof paint after preparation of old surface by removing old paint, scraping the rusted surfaces including on plateform, scrapper structure, electrical panel, motor, gearbox, trailing of roller etc complete as per existing colour code as directed by Engr-in-charge.

M&L for greasing, oiling on moving parts of clariflocculator of water filtration plant 80,000 Gallon/Hour and painting with two coat of synthetic enamel weather proof paint after preparation of old surface by removing old paint, scraping the rusted surfaces including on plateform, scrapper structure, electrical panel, motor, gearbox, trailing of roller etc complete as per existing colour code as directed by Engr-in-charge.

M&L for greasing, oiling on moving parts of clariflocculator of water filtration plant 40,000 Gallon/Hour and painting with two coat of synthetic enamel weather proof paint after preparation of old surface by removing old paint, scraping the rusted surfaces including on plateform, scrapper structure, electrical panel, motor, gearbox, trailing of roller etc complete as per existing colour code as directed by Engr-in-charge.

Taking out the residual of alum, muddy water etc from the bottom of the back wash tank / sedimentation tank of water filtration plant and depositing the same out of MD land and making good to the damaged portion of water storage tanks as per original specification of the tank and as directed by Engineer-in-charge. Note:- (i) Any damage to the tank shall be rectified by the contractor to the original specification of the tank without any extra cost to the department. (ii) Contractor shall made necessary dead plug / plate to the water pipe inside the tank to prevent any water coming inside the tank without any extra cost to the department.

Draining out the muddy water from the Raw Water Reservoir / Intake Tank and removing mud, silt and other material from bottom of the tank and depositing to out of MD land and making good to the damaged portion of raw water storage tanks as per original specification of the tank and as directed by Engineer-in-charge. Note:- (i) Any damage to the tank shall be rectified by the contractor to the original specification of the tank without any extra cost to the department. (ii) Contractor shall made necessary dead plug / plate to the water pipe inside the tank to prevent any water coming inside the tank without any extra cost to the department.

M&L for cleaning and desilting of raw water RCC channel rectangle shape, max width of channel 1.2 mtr and max depth 1.5 mtr at Rajcanal Pump House, from canal to raw water storage tank, by taking out any type sludge/soil/ any material accumulated at bottom, scrapping / cleaning of bottom and wall including uprooting the roots, vegitation/tree inside and outside upto 2 mtr and removing material to a distance not exc 500 mtr complete all as specified and directed by Engr-in-charge.

M&L for cleaning and desilting of raw water RCC channel rectangle shape, max width of channel 0.8 mtr and max depth 1.0 mtr at ILP Pump House, from canal to raw water storage tank, by taking out any type sludge/soil/ any material accumulated at bottom, scrapping / cleaning of bottom and wall including uprooting the roots, vegitation/tree inside and outside upto 2 mtr and removing material to a distance not exc 500 mtr complete all as specified and directed by Engr-in-charge.

Cutting the tree branches hanging over raw water sumps and water supply complex and depositing the tree branches /leaves at 500m distance away from the site , complete all as specified and as directed by Engineer-in-Charge.. Note : Any number of tree branches out in one branch will be measured as one length for payment purpose.

S&F as in repair rotational moulded polyethylene water storage tank ISI Marked (cylindrical vertical ith closed top) hoisted and fixed in position of capacity 1000 litres including 25mm bore GI washout pipe 15 cm long fitted with check nut, 20mm bore over flow pipe 1.50 metre long fitted with brass anti-mosquito nest coupling at the end of over flow pipe & 15mm bore GI air vent pipe 1.30 metre long fitted with tee at the end of air vent pipe (All GI pipes shall be medium grade) complete all as specified and directed by Engineer-in-Charge.

S&F as in repair to ball brass valve, high pressure, with polyethene float and flynut complete, screwed for iron pipe of size 20 mm bore complete all as specified and as directed.

Taking out of existing filter media i.e. sand, gravel, pebbles etc. from bottom of filter bed of filtration plant and screening, seperating, cleaning and washing the media with necessary equipments/ T&P and re-laying layer by layer as directed and removing the unserviceable media and depositing to a distance n.exc 200 mtr complete all as specified and as directed by Engineer-in-charge. Note: Extra quantity of gravel / sand required to top up the filter bed shall be measured and paid under relevant item as supply only.

Supply only round shape pebbles of size 6-12mm, cleaned, treated, disinfected and suitable for water filteration plant in 25/50 Kg PP begs complete all as specified and as directed by Engrineer-in-Charge.

All as per item No 24 here-in-above but crushed gravels of size 3-6mm complete all as specified and as directed by Engrineer-in-Charge.

All as per item No 24 here-in-above but coarse sand of size 2-4mm complete all as specified and as directed by Engrineer-in-Charge.

All as per item No 24 here-in-above but filter grade quartz white sand of size 0.8-1.2mm complete all as specified and as directed by Engrineer-in-Charge.

S&F as in repair steel framed work such as grills, gratings, etc., with ends of bars shouldered and or forged into spikes, framed guard bars, ladders, framed balusters, walk ways, railings, framework of water tanks and similar works of quality Fe 290 (Gde E-165) etc. including two coat of synthetic enamel weather proof paint over a coat of red oxide primer complete all as specified and as directed.

M&L for Brick work with sub class ‘B’ old size burnt bricks, straight or curved on plan exc 6m mean radius built in cement mortar (1:3) including demolition of exisitng brickwork complete all as specified and directed by Engineer-in-charge.

M&L for 10mm thick rendering in cement mortar (1:3) on fair faced surface of brick masonary or concrete surface of walls, finished even & smooth without using extra cement complete all as specified and directed by Engineer-in-charge.

Excavation in trenches, not exc 1.5 m wide and n. exc 1.5 m depth, or n exc 10 Sqm on plan and n exc 1.5 m in depth for foundations, shafts, wells, manholes, or laying water supply pipe lines etc. in soft/loose soil complete.

Removal of excavated soil/ material to a distance not exc 50 metre and depositing where directed at a level not exc 1.50 metre above the starting point complete all as specified and as directed.

Supplying and laying reinforced concrete pipes, 600 mm dia, class NP3, laid and jointed complete with collars complete all as specified and as directed.

Demolition of exisitng old u/s valve vit chamber and M&L for Construction of brick masonry valve pit of internal size 150cm x150cm x 150cm including necessary excavation and earth work in soft/loose soil, brick work, plastering, white wash, PCC coping, MS frame made out of angle iron of size 40mmx40mmx6 mm, MS sheet cover of 3 mm thick fixed to angle iron frame by means of hinges welded to frame and painting with 2 coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces and grouting the frame in PCC 1:2:4 type B-1 including handle and locking arrangement complete all as specified and directed by Engineer - in - Charge Note :- (i) Brick wall shall be 23 cm thick built in cement mortar (1:4) (ii) Internal plaster shall be 15 mm thick in cement mortar (1:4) and external plaster upto 450mm from top shall be 20mm thick in CM (1:6) and remaining external surface shall be flush pointing in CM (1:6) as the work proceeds. (iii) PCC in foundation shall be 15 cm thick in cement concrete (1:4:8) type D2 using 40 mm graded stone aggregate extended 15 cm all around from the external face of the walls. (iv) PCC coping shall be 15 cm thick in cement concrete ( 1:2:4) type B1 using 20 mm graded stone aggregate including grouting of angle iron frame in PCC. (v) Three coats of white wash to internal surfaces of valve pit. (vi) Depth of valve pit shall be reckoned from the top of PCC in foundation.

S&F as in repair ERW steel pipe including special fitting i.e. flanged bend, reducer etc. of nominal dia 100 mm dia as per IS: 3589 (1981) Gr. 330 thickness minimum 6 mm fixed to wall, passing through concrete wall, on support structure, floor/trench etc. including welding work and two coat of synthetic enamel paint as per existing colour code on outer surface of pipe and marking of fluid name with direction on pipe as specified and directed by Engr-in-charge. Note: Rate includes the cost of all welding work, cement work, joining flanged and fittings and making holes for movement of water as required etc complete.

S&F as in repair of 100 mm bore, cast Iron sluice valve, rising spindle type with flanged ends, ISI marked, IS:1486, class PN - 1.6 with stem of stainless steel and gun metal working part with iron hand wheel with nuts, bolts, washers and flange rubber gasket. Note :- (i) Old retrived sluice valves shall be deposited in AGE E/M store

Cleaning the surrounding area of raw water storage tank, intake tank, underground sump, overhead tank, area inside the perimeter of pump house building by digging out the roots

, any type of desert vegitation etc with bushes and cutting of bushes of tree and any other unwanted vegetation, grass completely and removing the same out of MD land complete all as specified and directed by Engineer-in-charge.

S&F in replacement Vaccum chlorinator with assembly, Injector,check valve,yoke clamp ,PE tube , direct cylinder mounted suitable for chlorine dosing system capacity upto 2 kg/hr as per existing model and type complete with necessary fitting and testing complete all as specified & as directed .

Supply and fix in replacement cast iron double orifice Air release valve, ISI marked, IS:14845, PN 1.6 pressure rating with stainless steel floats, size 80 mm bore, having flanged end including nut bolts washers and flange rubber gasket complete all as specified & as directed .