SPECIAL REPAIRS TO BUILDING NO 556 SMU AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM

Demolition of textile covering and including all padding concrete over RCC slab over roof, including removal of waste material away from Dockyard premises complete all as specified and directed.

M&L for providing, cement concrete type B1 1:2:4 (Using 20mm graded stone aggregate) as in roof padding concrete and kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed.

M&L for 10mm thick screed bed over padding concrete cement mortar 1:4 with water proofing compound as per manufacture instructions by weight of cement and finish the surface even and smooth with out using extra cement all as specified and directed. Note :- Supply only WPC will be measured and paid separately.

M&L for applying evenly a tack coat of industrial bitumen 85/25 at the rate of 1.20 kg per Sqm including cleaning of surfaces all as specified and directed.

M&L for APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (weight not less than 150 gms/sqm) shall be laid over entire roof surface and on vertical surface up to groves with other laps of 100mm. The over lap shall be sealed by flames complete all as specified and directed.

Taking down Chowkats or frames not exceeding 1.5 Sqm each (Without taking off shutters from the frame) and removing away from site complete all as specified and directed.

Taking down Chowkats or frames exceeding 1.5 Sqm but n exc 4.00 Sqm each (Without taking off shutters from the frame) and removing away from site complete all as specified and directed.

S&F factory made solid PVC door frame of size 50 mm x 47 mm made out of 5mm thick plain colour PVC sheet reinforced M.S. square tube, supplying & fixing in opening as per specification & drawing on page no. 178 of SSR Part -II complete all as specified and directed.

S&F factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. square tube for top and bottom rails. M.S. frame shall be covered with heat moulded plain colour PVC 'C' channel having a PVC sheet strip 20 mm wide stuck inside with solvent cement for stiles and plain colour PVC sheet for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; Panelling of plain colour PVC sheet to be fitted in M.S. frame welded /sealed to the stiles and rails with suitable sheet beading, and jointed together with solvent cement, supplying & fixing in the frame at site as per specification and drawing of page no 174 of SSR Part -II complete all as specified and directed.