SPECIAL REPAIRS TO MAGAZINE ( BLDG NO P-21 TO P-28) AT NAD SUNABEDA UNDER GE (P) (N) VISAKHAPATNAM

Demolition of brick work or stone/boulder masonry, built in cement mortar complete all as specified and as directed.

M & L for Walling of random rubble uncoursed , brought upto courses well bonded, bedded and solidly hearted built in CM 1:6 all as specified and directed by Engr-in-Charge.

Walling of random rubble uncoursed (but except stone), brought upto courses well bonded, bedded and solidly hearted built in CM 1:6 complete all as specified and as directed.

M&L for Hammer dressing with maximum depression on face from straight edge held against the dressed surface n exc. 40 mm for granite or trap stone face stones and dressing of face beds and joints, all as specified and as directed.

M&L for PCC 1:2:4 Type B-1 using 20mm graded aggregate as in copings etc including necessary formwork etc complete all as specified.

Taking down chowkhats or frames with shutters (without taking off shutters from the frames) not exc. 1.5 sq. m each complete as all specified and directed

M & L Cement concrete type B0 1:2:4 (12.50 mm graded aggregate) as in roof padding, roof kerbs or mud stops including demolition of existing roof padding and removal of debris to outside MD land all complete all as specified and as directed.

M&L for Roof Treatment including the following complete all as specified and as directed:- (i) Taking out of existing water proofing treatment roughening surfaces of concrete floor by picking, sweeping clean and washing down with water to remove dust, etc and brushing with neat cement slurry @ 3.00 kg of cement per Sqm and PCC padding (30 mm theack). (ii) 10 mm thick rendering in CM 1:4 on surface mixed with WPC @ 2% by weight of cement as per manufacturers instructions. (iii) Cleaning of plastered surface and applying one coat of hot blown bituminous primer conforming to IS -3384 (latest) @ 0.5 Ltr / Sqm. (iv) APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) land on primed surface by torch application complete all as specified. Polymeric membrane shall be taken to a height of 30 cm (minimum) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing. (v) Applying one coat of bituminous aluminium primer over APP membrane @ 0.11 Lit / Sqm. Note:- (a) Primer, APP membrane & bituminous aluminium paint shall be of same manufacturer and executed through applicator authorised by the approved manufacturer only. (b) Membrane shall be laid with side overlap of 100 mm and end overlap of 150 mm as per manufacturers instruction. (c) PCC Padding & WPC will be measured and paid separately.

S&F for Wire netting of stainless steel wire 1.4mm dia fixed with tinned tacks of stainless steel wire staples size of mess 12mm complete all as specified and directed.

S & F 5.5 mm thick sheet Glass ordinary quality,in any size fixed with glass putty or fitted with beads in squares exc 0.50 sqm in each pane in window and frames complete all as specified and as directed.