Public Works Department Tender

Providing and fixing ridges & hips in asbestos cement sheets roofing with G.I. j or l hooks bolts and nuts 8mm dia G.I. plain and bitumen washers complete.;Close fitting adjustable ridges

Providing and fixing rigid PVC S.W.R. (soil waste & rain water drainage pipes of approved including lubricant etc. complete (single/double) socketed:;110 mm dia

Providing and laying 2nd class mangalore tile roof covering with 25 x 37 mm (1"x 1.5") jamba wood or similar batten including nails etc. but excluding rafters.

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge.

Supplying and fixing glass panes with new wooden fillets including removal of broken glass panes and old wooden fillets wherever necessary .;Glass panes 3mm thick

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.

Constructing brick masonry manhole or inspection chamber with second class bricks in cement mortar 1:5 (1 cement :5 fine sand) R.C.C. top slab with 1:2:4 mix (1 cement: 2 coarse sand ;4 graded stone aggregate 20mm nominal size foundation concrete 1:2:4 mix (1 cement ;2 coarse sand :4 graded stone agrregate 40mm nominal size) inside plastering 12 mm thick with cement mortar 1:3 (1 cement :3 coarse sand) finished with a floating coat of neat cemetn and making channels in cement concrete 1:2:4 mix (1 cement :2 coarse sand :4 graded stone aggregate 20 mm nominal size) neatly finished complete as per standard design.;Inside size 60 x 60cm and 60cm deep including C.I. cover with frame (light duty) 455x610mm internal diameter total weight of cover and frame to be not less than 38 kg. (weight of cover 23 kg).

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 applying white cement based putty of average thickness 1.00mm of approved brand and manufacturer over the plastered wall surface to prepare the surface even and smooth complete.

Crack filler for plasters IPS cement sand screeds and non – structural cracks. Do Not open the cracks Clean the cracks so as to free them from oil dust loose particles etc. Moisten the surface with water Fill cracks with EPCO – ACR using spatula or a putty knife. While applying avoid formation of cavity or bubbles. After filling allow the surface to dry for at least 24 hours. Apply in layers at 24 hours interval. If the depth of the crack is more than 10mm. incl. cost of scaffolding transport etc. as per dir of EIC. All the chemicals will be of Krishna Conchem Products Pvt. Ltd. or Equivalen.

Erecting double scaffolding for executing masons work etc. for a height above 10.00mtrs including dismantling the same after completion of work complete as directed by the engineer in charge.