Replacement of damaged false ceiling of machine hall and control room of LJHP power house including removal of damaged ceiling lights wiring etc and placement of fresh LED flood and panel lights with associated wiring and control and protection

Amount

15.57 - Dismantling aluminum / Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable surplus material and stacking of serviceable material within 50 meters lead as directed by Engineer-in-charge.

Collection and disposal of accumulated pigeon waste over damaged ceiling.

12.64 - Providing and fixing tiled False Ceiling of specified materials of size 595x595mm in true horizontal level suspended on inter locking metal grid of hot dipped galvanized steel sections (galvanized @ 120 gms/sqm both side inclusive ) consisting of main “T” runner with suitably spaced joints to get required length and of size 24x38mm made from 0.30mm thick (minimum) sheet spaced at 1200 mm center to center and cross “T” of size 24x25 mm made of 0.30mm thick (minimum) sheet, 1200mm long spaced between main “T” at 600mm center to center to form a grid of 1200 x 600mm and secondary cross “T” of length 600mm and size 24x25 mm made of 0.30mm thick (minimum) sheet to be interlocked at middle of the 1200x600mm panel to form grids of 600x600mm and wall angle of size 24x24x0.30mm and laying false ceiling tiles of approved texture in the grid including, wherever, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main “T” runners to be suspended from ceiling using GI slotted cleats of size 27x37x25x1.6mm fixed to ceiling with 12.5mm dia and 50mm long dash fasteners, 4mm GI adjustable rods with galvanized butterfly level clips of size 85x30x0.8 mm spaced at 1200mm center to center along size 85x30x0.8 mm spaced at 1200mm center to center along main T, bottom exposed width of 24mm of all T-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer-in-charge. (The rate is excluding the cost of tiles which will be paid for separately): 12.64.5 - 8 mm thick fully perforated Calcium Silicate Board made with Calcareous and Siliceous materials reinforced with cellulose fiber manufactured through autoclaving process to give stable crystalline structure with minimum compressive strength 225 kg/cm2, bending strength 100 kg/cm2, of size 595x595 mm, having perforation of dia. 10mm with minimum perforated area 18% with non-woven tissue on the back side, having an NRC (Noise Reduction Certificate) of 0.85, with 50 mm thick rock wool of 48 kg/cum backing.

Supply & Installation of 600 X 600 LED Light & Fixture along with integral or non integral starter/driver and other accessories (as per site requirement) including necessery wiring for sub mains to mains, protection and control through suitable MCB, MCCB etc after removing/dismantling of old/existing damaged light fittings & fixtures.

Supply & Installation of 200 W LED Flood Light and fixture along with integral or non integral starter/driver with other accesories (as per the site requirement) including necessary wiring for sub mains to mains, protection and control through suitable MCB, MCCB etc after removing/ dismantling of old/existing damaged light fittings & fixtures.

Supply and Installation of 2 HP Industrial Exhaust Fan including necessary wiring, protection and other accessories (as per site requirement) in place of damaged exhaust fans.

29.3 Cleaning the sand stone surface and removing dirt, dust, bird dropping, grease, oil, algae, fungi, monkey beats, vegetable growth etc. including providing, applying and washing the surface with liquid ammonia chemical of 5% solution and other chemical cleaning agents as approved by Archaeological survey of India/Engineer-in-charge, of approved brand and manufacturer with the help of required scrubbers and also cleaning with machine operated water jet mixed with desired quantity of fine silica and finally washing the surface with clean water with the help of pressure jet machine, windows door etc, by suitable covering so as to avoid any damage to the building/structure, all as per directions of Engineer-in-charge(the rate is inclusive of all materials and labours involved except scaffolding).

15.23- Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 meters lead:

15.23.2 For thickness of tiles above 25 mm and upto 40 mm.

11.14- 40mm thick marble chips flooring rubbed and polished to granolithic finish, under layer 28mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5mm nominal size) and top layer 12mm thick with white, black, chocolate, grey, yellow or green marble chips of sizes from 7 mm to 10mm nominal size, laid in cement marble powder mix 3:1 (3 cement : 1 marble powder) by weight in proportion of 2:3 (2 cement marble powder mix :3 marble chips) by volume including cement slurry and curing complete : 11.14.2 Light shade pigment with white cement. 11.18- Extra for laying terrazzo flooring on staircase treads not exceeding 30 cm in width, including cost of forming, nosing etc sqm.

NAZIR AHMAD HAKAK