Urgent replacement of Roofing sheets with PUF sheets and other Interior works of Directorate of Social Welfare at Building B Of Goa Housing Board, New market complex at Porvorim-Goa.

Dismantling of old plaster & cleaning of all concrete surfaces of roof slab including existing waterproofing treatment material along with any other protective screed to expose mother slab to receive new waterproofing treatment layer etc complete as directed by engineer in charge up to floor 5 level

Dismantling G.I. sheets roofing including ridges hips valleys and gutters etc. and stacking the material within 50 meters lead.

20mm cement plaster 1: 3 (1 cement : 3 fine sand)

Neat Cement punning

Providing water proofing treatment over the new R.C.C. roofs terrace toilet by spreading cement slurry over the R.C.C. slab and laying of 10cms. Average laterite stone ballast coba with the necessary gradient for easy flow of rain water and the coba in covered with damp proof of Hindustan water proofing co. Or equivalent jointless water proofing plaster of mix 1:3 ( 1 cement : 3 find sand) finished smooth with wooden trowel with false marking of 30 cms square. The vertical surface of the adjoining walls are to be treated upto a height of 30cms including rounding of junction (the rate includes for complete items including labour and materials and including cost of initial treatment of roof slab as follows. The injunction of damp proof or equivalent compound with cement solution will be given as and when found necessary for filling honey comb cracks etc. in the R.C.C. slabs). NOTE: cement consumption 25 kg/sq.m.

Repairs to plaster in patches of 2.5 sq.m. and under including cutting the patch in proper shape and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50m lead.;With cement mortar 1:4 (1 cement : 4 fine sand)

Providing and fixing 15mm thick densified tengular edged eco friendly light weight Calcium Silicate false ceiling tiles (like Aerolite Brand or Equivalent) of approved texture Spintone/ Cosmos/ Fine Fissured or equivalent of size 595mm x 595mm in true horizontal level suspended on inter locking metal grid of hot dipped galvanized steel sections (galvanizing @ 120 grams per square metre. including both side) consisting of main "T" runner suitably spaced at joints to get required length and of size 24x38mm made from 0.33mm thick (minium) sheet spaced 1200mm center to center and cross "T" of size 24x28mm made of 0.33mm thick (Minimum) sheet to be inter locked at middle of the 1200x600mm panel to from grid of size on a Perimeter wall angle precoated steel of size 600x600mm resting on periphery walls/ partitions (24x24x300mm) made of 0.40mm thick (minimum) sheet with the help of rawl plugs at 450mm and laying 15mm thick densified edges calcium silicate ceiling tiles of approved texture light fittings fixture smoke detectors etc. wherever required.

Main "T" runners to be suspended from ceiling using G.I. slotted cleats of size 25x35x1.6mm fixed to celing using with 12.5mm dia and 50mm long dash fastners level clips of size 85x30x0.8mm spaced at 1200mm center to center along main "T" bottom exposed with 24mm of T-section shall be pre-painted with polyester baked paint for all heights as per specifications drawings etc. complete. (As Directed by Engineer in Charge) Note: Only Calcium silicate false ceiling area will be measured from wall to wall. No deduction shall be made for exposed frames/ opening (cut outs) having are less than 0.30 sqm. The Calcium silicate ceiling tile shall have NRC value of 0.50 (Minimum), light reflection>85% non-combustible as per B.S.476 part IV, 100% humidity resistance and also having thermal conductivity 0.043 w/m 0 KC. Hospitals, Offices and Commercial Buildings, Auditoriums and Cinema Hall, Educational Institutions, R&D Centers, Studios, Laboratories, Library, Canteen.

Providing 18mm thick plaster of parts (gypsum anhydrous) ceiling upto height of 5m above floor level over 1st class matti wood strips 25 x 6mm with 10mm gap in between & reinforced with rabbit wire mesh fixed to wooden frame.;Flat Surfaces

Removing dry or oil bound distemper by scrapping sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.