Roof seepage treatment by APP of residential quarters of CWS-CS, Korba.

Amount

Item Description/ Heading

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 ltr/sqm. by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ltr 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 at 23°C as 650/450N/5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : 3 mm thick

Removing old /damaged tarfeltting work inclulding removal of the same within 100 meters from site as per instruction of Engr. I/c. Complete.

Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Grading roof for water proofing treatment with Cement mortar 1:4 (1cement : 4 coarse sand)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in-charge. 1:3:6 or richer mix

Carriage of materials by mechanical transport including loading and unloading as per instruction of Engineer-in-charge. Lead upto 2 Km.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 12701 marked with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall 20 mm nominal outer dia .Pipes.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall 25 mm nominal outer dia .Pipes.

Dismantling & refixing of of sintex tank as per instruction of Engineer-in-charge.

Providing and fixing sintex tank connection as per instruction of Engineer-in-charge.

Providing and fixing PVC gate valve as per instruction of Engineer-in-charge. 25mm dia.

Providing and fixing PVC gate valve as per instruction of Engineer-in-charge. 20mm dia.

Providing and fixing PVC union as per instruction of Engineer-in-charge. 20mm dia.

Providing and fixing PVC union as per instruction of Engineer-in-charge. 25mm dia.

Total impact of GST for the purpose of CTC

NARENDRA KUMAR SINGH

AKY CONSTRUCTION

RADHEY DECOR