REPAIR AND MAINTENANCE OF FILTER MEDIA AT FILTRATION PLANT NO-I AND II, SWIMMING POOL AND OTHER ALLIED WORKS UNDER GARRISON ENGINEER (ARMY) JAMNAGAR AT INF LINE JAMNAGAR

Amount

Taking out and removing existing sand ,accumulated mud etc (filter media) from the Rapid Gravity feed type Filter Bed for water treatment Plant No I,II & Swimming pool and removing / disposal of spoil to a distance not exceeding 50 mtr complete all as specified and directed by Engr-In-charge.

Taking out and removing out existing of Gravels of any size(filter media) from the Rapid Gravity type Filter Bed for water treatment Plant No I,II & Swimming pool and removing /desposal of unserviceable Gravels from site complete all as specified and directed by Engr-In-charge.

M&L Fresh Gravel of size 40 mm size suitable for drinking purpose, as approved, filling in the Filter Bed of rapid gravity filter for water treatment Plant No 1,2 & swimming pool complete all as specified and directed by Engr-In-charge.

M&L Fresh Gravel of size 20 mm size suitable for drinking purpose, as approved, filling in the Filter Bed of rapid gravity filter for water treatment Plant No 1,2 & swimming pool complete all as specified and directed by Engr-In-charge.

M&L Fresh Gravel of size 10 to 12 mm size suitable for drinking purpose, as approved, filling in the Filter Bed of rapid gravity filter for water treatment Plant No 1,2 & swimming pool complete all as specified and directed by Engr-In-charge.

M&L Fresh Gravel of size 2 to 6 mm size suitable for drinking purpose, as approved, filling in the Filter Bed of rapid gravity filter for water treatment Plant No 1,2 & swimming pool complete all as specified and directed by Engr-In-charge.

M&L Fresh Sand of size 0.6 mm to 0.80 mm and coefficient of uniformity and silica content should be not less than 90%, filling in layers in the Filter Beds for water treatment Plant No 1,2 & swimming pool complete all as specified and directed by Engr-In-charge.

M&L Fresh Sand of size 1.0 mm to 1.20 mm and coefficient of uniformity and silica content should be not less than 90%, filling in layers in the Filter Beds for water treatment Plant No 1,2 & swimming pool complete all as specified and directed by Engr-In-charge.

M & L for preparation of old painted iron surfaces of any description not exc 10 cm in width or grith and applying two coat of synthetic enamel paint of approved colour on iron surfaces (pipes etc) complete all as specified and directed by Engr-In-charge.

Demolition of brick work or stone/boulder masonry, built in cement mortar including all quoins, pillars etc complete all as specified and directed by Engr-In-charge.

M & L for brick work with sub class `B` bricks using old size bricks straight or plain built in cement mortar 1:6, 23 mm thick for construction of valve chamber and other misc work complete all as specified and directed by Engr-In-charge.

M & L for 15 mm thick rendering in CM 1:4 on fair faces of brick work / concrete work and finished even& smooth without using extra cement all as specified and directed by Engr-In-charge.

M&L PCC 1:2:4 type B1 (using 20 mm graded crushed granite stone aggregate ) as in filling for road cutting and for copping of poles and filling under valve chamber including necessary form work complete all as specified and directed by Engr-In-charge.

Labour only for cleaning of chowked, and removing accumulated mud from back wash pipeline by using compressed air with water of from Backwash well to Army Filter Plant No 1, to Airforce Filtration Plant No 2 & to Navy Fitration Palnt No 3 complete all as specified and directed by Engr-In-charge.

M & L for repair and serving to Double/Triple reduction gear coupled with motor mounted on common base plate frame with gear box system for Clari-focculator and flash mixer system assembly including functional of paddle and scapper assembly systen and making its functional including replacement, refilling of gear oil and any other warn out patrs as per requirement fitted at Water trearment Plant No 1 & 2 complete as specified and directed by Engr- in- charge

Cutting unaxious green growth and grass by manual labour or by machine at all E/M water supply installation premisses and along the boundary fencing and removing rubbish from the site of work where directed not exceeding 100 mtr from the starting point. (The green growth shall be cleaned once in every month and the measuremet shall be taken every time indipendently for executed quantity each time complete all as specified and directed by Engr-In-charge..

M & L for painting after preparing surfaces of filter bed/Clarifloculator by scrapping with Wire Brush and applying one coat of epoxy resign pigmented paint with mixing Ratio 4:1 (i.e Base paint & catalyst hardner) of make- Berger Epilux 78 High build or any other make duly certified by CFTRI, Mysore suitable for portable drinking Water to existing surfaces complete all as specified and directed by by Engineer-in-Charge.

M&L for MS Chequered plate cover 6 mm thick fixed on angle iron size 65x65x6 mm embedded in PCC coping with locking arrangement and painting one coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed by Engr-In-charge.

S&F for Reciprocating Rotary type Air blower 3AT-100, capacity 450 cubic meter per hour with discharge pressure 0.50 kg/sq cm blower speed 1600 RPM with 12" dia air fliter for air sourcing arrangement tank to tank wash filter beds driven by electrical motor 3 phase, 440 Volts, 50 Hz, of capacity 15 HP, 1450 RPM, MS fabricated base frame for blower & Motor with 'V' pilley foe blower & Motor with 'V' belts, belt guard, safety valve and making suitable alteration to be made for fixing the blower with existing back washing system including removal of old unsv BER compressor from PCC base and handover to store yard of AGE E/M complete all as specified and directed by Engr-In-charge.

M & L for scrapping, scrubbing with mechanical scrubber, cleaning internal surfaces of walls, floors, roofs, drainage system with fresh water cleaning by high speed jet pump,industrial vaccum clener etc of swimming pool of size 25.00 Mtr x 16.00 Mtr with driving area including balancing tank manually as described below complete all as specified and directed by Engineer-in-Charge .

Note for item 20 - (i) Suitably blocking the incomming and outgoing wash out pipes for avoiding mud and forigen material deposited in the swimming pool & balancing tank getting into pipe and chocking it prior to starting the cleaning (ii) bail out complete water remaining in the swimming pool and balacing tank before cleaning the mud and other deposite. (iii) manually remove the deposite mud, algaue and other foreign particle as directed by Engineer-in-Charge, (iv) Clean the floor and wall of the swimming pool including balacing tank by jetting water using rotary pressure jets, remove the sludge so deposited completely by rubbing the wall / floor with brushers and repeat removal and depositing (Approved detergent / chemicals shall be used) (v) cleaning of overflow drainage of swimmimg pool with suitable chemical complete all as specified and directed by Engineer-in-Charge (vi) Disinfect the tank with FOA / WHO specified chemical and make the tank totally bacteria free.

Supply and unloading wherever directed by engineer incharge of Commercial alumina ferric Grade-IV having 99% purity, density 1.71 Gram per cubic centimeter as per ISO 9001 :2015 and Msme certified complete all as specified and directed by engineer incharge

M & L for cleaning wire brush made out of MS wires superior quality size 12" long with handle length of 6 mtr for daily cleaning of swimming pool wall etc complete all as specified and directed by Engr-In-charge.(Note: 1. Handle must be made by light grade GI pipe.)

M & L for Waste leaves cleaning basket made out of steel wire mesh 12 inch dia with handle length of 3 mtr for daily cleaning of swimming pool etc complete all as specified and directed by Engr-In-Charge. (Note: 1. Handle must be made by light grade GI pipe of 15 mm dia.)

Supply and fix suction sweeper brushes made out of nylon material on on teak wooden base suitable for existing suction sweepers at Army swimming pool including removal of old unsv one complete all as specified.

Shah Associates (BID ID -3297317)

M/s Jagdish Machinery Stores (BID ID -3306302)

BHAVNA IMPERIAL ENTERPRISE (BID ID -3300553)