Improvement and Augmentation of drinking water supply to village Chak Sardar Attar Singh Tehsil Marheen of District Kathua under District Capex

Providing and laying in position cement concrete of 1:4:8 mix (1 cement 4 coarse sand 8 graded stone agg. 40 mm nominal size) excl. cost of centring and shuttering all work up to plinth level (using crushed stone agg.)

Providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled &honeycombed surface of RCC underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. The crystallie mortar shall conform to the EN 1504-3 having compressive strength Class R4 > 45 MPa and adhesive bond strength Class R3 > 1.5 MPa. 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. 23.23.1 For sealing cracks and faulty construction joints, routed out/making U-shape groove size 25x25mm and then primed the area with integral crystalline slurry @0.05kg/ running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50kg/ running metre. Once crystalline mortar is touch dry then finally applied two coats of integral crystalline slurry @0.05kg/running metre per coat.

Excavating, supplying and filling of local earth (including royalty)by mechanical transport upto a lead of 5 km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m in -All kinds of soil

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centering and shuttering. All work upto plinth level in 1:3:6 (1 cement: 3 coarse sand : 6 graded stone aggregate 20mm nominal size) (using crushed stone agg.)

Steel work welded in built up sections/framed work, including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Welding of joints by electric arc welding including, testing and commissioning of joints including carriage of set and all other accessories including making arrangement for electric supply/arrangement for Generator etc complete

Demolishing cement concrete manually/by mechanical means including disposal of material within 50 meters lead as per direction of Engineer-incharge: 1:3:6 or richer mix (i/c equivalent design mix)

Providing and fixing double scaffolding system (cup lock type) on the exterior side

Cleaning of under ground sump, over head r.c.c. tank (independent staging) including disposal of silt and rubbish all as per direction of engineer-in-charge.