Maintenance and repair works to the OHT Pongaliyur in ward no 40 of West Zone.

Amount

Dismantling the damaged RCC slab etc complete as per direction of departmental officers

Supplying and erecting SHUTTTERING including necessary supports for plane surfaces such as Vertical walls etc, using mild steel sheets of size 90cm X 60Cm and BG 10 stiffened with welded mild steel angles for boarding supported by Casuarinas props at suitable intervals etc., complete complying with standard specification and as directed.

Cement concrete 1:1.5:3 (one cement, one and a half sand and three aggregate) using 20mm hard broken granite stone jelly for all RCC items of work excluding centering, shuttering, and cost of reinforcement grill but including curing finishing, vibrator charges etc., complete and also including fixing fan clamps and fixtures in RCC works wherever necessary as directed by departmental officer etc., complete.

Supplying, fabricating and placing in position TMT/CTD rods for all RCC works including cost of steel and binding wire also in all floors complete complying with standard specification.

Plastering with cement mortor 1:3 mix (1 part cement and 3 part sand) using 20mm thick

Providing chemical treatment for the surfaces with two coats of polymer based cementious coating and then applying two coats of elastomeric coating on the surface including cleaning and crack filling etc complete

Conveyance of dismantled materials from the site 0 to 15kms lead

Providing and fixing MS grill with using all round L angle for frame patta and using 18 gauge MS plate for stair step & rails with necessary materials complete including applying a priming coat of approved steel primer

Painting with plastic emulsion paint two coz along with base coat of approved quality (\S Standard) paint as per the standard specification. (The paint to be used should got approved by the Executive engineer before use on work

Providing two legged scaffolding using 15cm diameter blue-gum posts or casuarina posts o best quality bamboo posts of 4m over all length (3m + 0.5m projection + 0.5m into the ground) the distance between the two rows being 1.25m and the spacing of posts being 2m in both the rows with two horizontal posts with 0.5m overlap on either side and braces at 2m c/c including longitudinal and transverse middle braces to step up and providing a platform with country wood planks of 40mm thick and 1m width etc., in a complete form using coir and nails 1m run

AMMAN BUILDERS (BID ID -1277180)