JNI Stadium KaloorWaterproofing of expansion joints and rain water gutters at 110level terrace and allied works.

Amount

Cleaning the expansion joints to be treated by removing the existing damaged PU form,loose and deleterious and unserviceable concrete or mortar parts, dust ,oil, greese or wax ,old loosely adhering finish etc..and preparing the surface dry prior to applying primer aplication etc. complete and including disposal of the debris and waste upto a distance of 150m outside the area cleared as per direction of the departmental engineers in charge:

Providing waterproofing to the existing expansion joints having average width 50mm or nearest size and inserting PU form tightly into the joint at the required depth to provide seal dimensions ,apply PU primer of approved quality on the surface of joint in a width of 20cm and apply approved quality Low modulus fast curing two component PolyUrethene Sealant in a continuous 3 strips in between one and four hours after priming to cover the width of 20cm ,air curing for two days , etc.complete as per the instructions of departmental officers in charge for expansion joints :

Providing protection or covering to the expansion joints using 1.60mm or nearest size aluminium sheet of 200 mm wide including making required groove/ V bend at center portion throughout the length for accomodate expansion and fixing at both sides of joint by using necessary screws on both sides of aluminium strips etc. ,including all labour charge, scaffolding etc. complete as per the direction of engineers in charge for vertical wall joints and bottom of raker beam joints:

Refixing the existing aluminium strips of vertical / horizontal joints which are loosened or disturbed from its original position due to the rusting of screws and replacing with necessary screws and aply Polimer based sealant adhesive on both the edges of joints and aluminium sheet etc.including scaffolding ,labour charge etc.complete:

Cleaning the gutter and surrounded area to be treated by removing the existing damaged waterproofing membrane parts,loose and deleterious and unserviceable concrete or mortar parts, dust ,oil, greese or wax ,old loosely adhering finish etc..and preparing the surface dry prior to applying primer aplication etc. complete and including disposal of the debris and waste upto a distance of 150m outside the area cleared as per direction of the departmental engineers in charge:

Providing and laying APP modified prefabricated five layer,3mm thick water proofing membrane,black finished reinforced with glass fibre matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40litre/sqm by the same membrane manufactured of density at 250c ,0.87-0.89kg/litre and viscosity 70-160 cps.Over the primer coat the layer of membrane shall be laid using butane torch and sealing all joints etc.and preparing the surface complete:The vital physical and chemical parameters of the membrane shall be as under: Joint strength in longitudinal and transverse direction as 60/80N.Softening point of membrane not less tha 1500c.Cold flexibility shall be upto -20c when tested in accordance with ASTM ,D-5147.The laying of membrane shall be got done thorough the authorised applicator of the manufacturer of membrane:

Sealing the seating element gaps after removing the screed concrete from the seating element gaps using mechanical breakers,cleaning the area with pressure water jet pump,filling the gap using FOSROC,S non shrinking grout of approved make added with equal weight of 4mm aggregates and M-sand using sufficient water in 1 inch depth and 1.5 to 2 inch width.Applying water proofing coating system of approved quality on the surface in 15cm width including cost of all materials ,labourcharge etc. complete;

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