Water proofing to roof of I.B, IB Annexe and sector 29 B Type II Qtrs. with APP membrane at OFCD Estate

Amount

Taking up or down steel tubing and connections, including cleaning for refixing or removal to store (20mm)

Refixing 20 mm old steel tubing and connections in new or old position (Walls, ceiling, floors, etc.)

Taking up or down 15 mm steel tubing and connections, including cleaning for refixing or removal to store

Refixing 15 mm old steel tubing and connections in new or old position (Walls, ceiling, floors, etc.

S&F 15 mm dia GI Tubes, 'medium grade' galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors.(Make - Tata, Jindal , QST)

S&F 20 mm dia G I pipe, 'medium grade' galvanised, with all fitting and fixed complete to walls and ceilings or laid in floors.(Make - Tata, Jindal , QST)

Dismantaling water pvc tank 500 ltr and remove to store. (exc. 250 ltr N exc 500 ltr).

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repairing, etc. measured separately)(exc. 250 ltr N exc 500 ltr).

Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc(exc. 250 ltr N exc 500 ltr).

S/F in repair 20 mm dia ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe and fixed (Make- Prayag, Polytuf, classic ).

S/F Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-1 capacity 500ltrs.(Make - polyplast, Sintex, Pollytuff,)

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints, fixed to wall (110mm)

S&F PVC (SWR) bends (110mm)

M&L for Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc, Brushing neat cement slurry with 3.0kg of cement per sq. metre®and Screed bed or bedding layer of mortar 20 mm thick for laying floor finishes (1:4).

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of acoat of bitumen primer for bitumen membrane @ 0.40 litre/sqm of the same manufactures as membrane of density at 25°C, 0.87-0.89 kg/litre and viscocity 70-160 cps. Over the primer coat the layer ofmembrane 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 theauthorised applicator of the manufacturer of membrane Make- STP,IWL,TATA.

Cutting grooves in brick wall, 75 mm wide and 65 mm deep and shaping horizontal face of groove with cement mortar 1:3.

Removing building materials debris, to a distance of 100m or under, beyond the lead included in the rates, including loading, unloading and stacking at the destination etc and depositing where directed.

IRFAN AHMAD

DURGA CONSTRUCTIONS