SPL REPAIR TO BLDG NO P-32/01 TO 08 , ZONE-5 (OR QTR) UNDER AGE B/R-I AT GE BABINA

Demolition of lime Cobba /PCC concrete of any description and in any position including dismntaling of APP/ felt in any description and in any position over roof and disposal of debris and rubbish to low level area/500 mtr from site etc complete all as specified and as directed by the Engineer-in-Charge.

M&L for P.C.C 1:2:4 type B-0 using 12.5 mm graded stone aggregate as in padding over roof finished and laid to required slope complete all as specified and as directed.

M&L cutting out cracks to 'V' Section in existing roof or terracing, cleaning out, wetting and filling solidly a hot mixture of bitumen and dry sand in proportion of 1:1 by weight complete all as specified and as directed.

Cutting grooves in brick wall 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed.

M&L, roughening surfaces of old concrete roof by picking ,sweeping clean and washing down with water to remove dust etc and applying a coat of cement slurry @ 3 Kg per Sqm complete all as specified and directed.

M&L for 10 mm thick rendering in cement mortar 1:4 on concrete surfaces when concrete is stil green finished even and fair including mixing of water proofing compound as per manufacturer instruction etc complete all as specified and as directed.Note :- Water proofing compound shall be measured separately as supply only in item no 08

Supply only Liquid water proofing compound complete all as specified and as directed of as per manufacturer instruction.

M&L applying water proofing treatment with the following :-(a) First coat of bitumen primer conforming to IS-3384 @ 0.3Kg / sqm to be applied on prepared surface till the surface is properly impregnated.(b) After the application of approved bituminous primer the water proofing memberne minimum weight 3kg/sqm and minimum 3mm thick reinforced with polyesterd non woven fabric (weight not less then 160gms/sqm) shall be laid on the primed surface by torch application method as per manufactured instruction.(c) All joints and change in direction should be curved with cement mortar (1:3) mixed with SBR latex @ 200ml per bag on cement and cured well before laying of membrane.( d ) M&L for preparation of newly surface of APP membrane and applying two coat of bituminous aluminium paint @200 gm /sqm etc complete all as specified and as directed.

Taking up or down existing steel tubing and connections including cleaning for refixing or removal to store complete all as specified and as directed for 15 mm dia bore

Taking up or down existing steel tubing and connections including cleaning for refixing or removal to store complete all as specified and as directed for 20 mm dia bore