Water Treatment & STP Tenders

Complete Removal of existing water proofing treatment any description up to concrete surface of roof slab including cleaning, with wire brushing, watering, removal of debris upto 1500 m distance complete all as specified and directed NOTE :- Unit rate quoted shall also include for removal of PVC water storage tank wherever existing carefully and refixing at the same or other position after completion of roof repair work

Grouting of STP Pole 13 Mtr Long as per RESPO Norms ( Cement, Sand , Blast Stone with the ration 1:4:8 will be provided by contractor )

Providing and laying water proofing treatment in sunken portion of WCs, bathroom, Lift pit bottom etc., by applying cement slurry mixed with water proofing cement compound consisting of applying : (a) First layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/ sqm. This layer will be allowed to air cure for 4 hours. (b) Second layer of slurry of cement @ 0.242 kg/sqm mixed with water proofing cement compound @ 0.126 kg/sqm. This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry.

M& L for water proofing treatment with APP modified prefabricated five layer water proofing membrane, not less than 3mm thick and weighing not less than 3.00 Kg/Sqm reinforced with non woven polyester matt black finished over and including compatiable primer at 0.3 litre/Sqm, touching the membrane on whole surface uniformly while unrolling the membrane by LPG and sealed with trowel after necessary preparation of surface complete all as per Manufactures instructions and as directed . The over lap joint shall be provided of 75mm in longitudinal direction and 100mm in tranverse direction respectively. All the angles, abutments and the drainage outlets shall be sealed with extra care to ensure full bondage. Make : IWL India Ltd /SAPL (ARGO-P) Hydrotech Ltd (Hydroflame)/STP. Note : Water proofing treatment work shall be executed though authorised applicators of original Manufactures and necessary certificate shall be produced .

Providing Bleaching powder required in water treatment Plant and maintenance of colony & power house including transportation with all lead and lits complete as per specification and directions of eng...

M&L for treatment of foyer roof with reinforced elastomeric liquid waterproofing membrane all as given below: - (a) Taking down existing water proofing treatment and cleaning roof surface by washing and rubbing etc. and removing the material retrieved to a distance not exceeding 500 m where directed. (b)Applying and laying foyer roof with reinforced elastomeric liquid waterproofing membraneof 400-micron thickness in four layers (100micron each layer) having SRI of 130, tested as per ASTM E 1980 (with Solar Reflectance and Thermal emittance tested as per ASTM C 1549 and ASTM C 1371 , respectively). The coating should have water absorption less than 1g/ltr as per IS: 101 (P-7/Sec-1) 1989, with the ability to resist heat upto 125 °C as per IS: 101 (P-7/Sec-3) 1990 having VOC less than 1g/ltr as per ASTM D 3960 and should have excellent resistance to transmission of ponded water up to 2.5 bars of pressure for 7days. It should also be resistant to Ammonia solution, Sodium nitrate, Sodium hydroxide, along with water and soap solution as per IS: 101 (P-7/Sec-2)1990. The waterproofing membrane will be laminated with 25—40-micron thick transparent Nano modified composite crosslinking polymeric coating with a minimum of 40% solid content as per IS: 101 (P -8/Sec6)1993 and also should pass Impact test as per IS: 101 (P-5/Sec-3) 1988 along with having dust and water repellent & anti-graffiti property passing Scratch hardness test of 500g as per IS: 101 (P-5/Sec-2) 1988. It should also pass Cross Cut Adhesion test as per IS: 101 (P-5/Sec-2) 1988. The Polymeric coating should have a self-cleaning and easy-to-clean property with excellent weather stability and DPR (Dirt pickup ratio). Surface preparation includes cleaning to remove all dust, fungus, etc. The work will be done under the supervision of the Engineer-in-charge. The coating thickness and the methodology of application shall strictly be carried out by the authorised applicator/ manufacturer with all specifications and as approved by the Engineer-in charge. The manufacturer/Authorised Applicator shall give a warranty for the performance & durability for 5 years complete all as specified and directed by Engr-in-charge. Make-M/S starshield or equivalent