Water /sewage treatment tanks Tenders

S & F 250 litres capacity rotational moulded polyethylene water storage tanks inner and out white, two layers ISI marked (Cylindrical vertical, with closed top), hoisted with threaded cap and fixed in position all as specified in SSR Part I including all accessories (ie GI nipple etc), including provn of 20/25 mm dia spout for connecting inlet, outlet, over flow and washout pipes and including dismantling water tanks and removing to store n.exc 250 ltrs capacity complete all as specified and as directed by Engr-in-Charge.

Rotational moulded polyethylene water storage tanks triple layer (Cylindrical vertical with closed top), ISI marked hoisted and fixed in position all as spd in SSR Pt-I, of capacity 500 Ltrs including making necessary connection and fittings, dismantling existing tank and removing from site, complete all as specified and as directed.

22.23.1 Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the engineerin- charge. The product performance shall carry guarantee for 10 years against any leakage.For vertical surface two coats @0.70 kg per sqm

Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage

On site LLDPE septic tank of minimum capacity 10 users designed to carry sewage and sullage water, excavation in any type of soil and removing surplus excavated metrerial to a distance excceeding 50 mtr but not exceeding 100 mtr and providing 200 mm thick PCC 1:4:8, type D-2 as foundation below tank, including Vent shaft, connection etc., complete all as specified and directed.

Providing water proofing treatment to sunken floors as given below :- (a) Making fillet of size 50mm x 50mm at corner of slab and wall with PCC (1:2:4) (b) Cleaning the concrete surface by brushing & watering (c) 15 mm plaster in cement mortar (1:3) mixed with water proofing compound as per manufacturer’s instructions after roughning and cleaning the surface . (d) Curing the sunken portion with water minimum for 48 hours by ponding. (e)Applying 3mm thick APP membranne with bitumen by torch application to the treated sunken surface over a coat of primer on bottom surface of sunken and sides wall and as per manufacturers instructions. (f) Joints/Traps/WC/soil pipes shall be properly sealed with approved sealing compound . (g) Ponding test will be carried out for 72 hours including temparory closing of spout (h) 40mm GI pipe spout of required length shall be provided at bottom / suitable location in sunken portion before doing any other work. this will include cutting and repair of required hole in brick work / RCC(f) Ponding test will be carried out for 72 hours including temparory closing of spout Note :- Floor area shall be measured to made payment .