tender for special repair to bldg no p 307 and p 375 at happy valley shillong under ge shillong- 1 taking down wooden chowkhats or frames with shutters (without taking off shutters from the frames) area exceeding 1.50 sqm but not exceeding 4.00 sqm each complete all as specified and as directed 2 taking down old defective chowkhats with shutter (without taking off shutters from the frame) n.exc 1.5 sq.m each and removing away from site, complete all as specified and as directed. 3 m&l mild steel work as in bands, straps, supports or stays for rain water, ventilating pipes including bolts, if required, hooks (stay) heavy for large gates, hooks and pintle hinges, large hasp and staples, chains, hand made sliding bolts, clamps, hold fasts, wall ties, hooks for hanging fans and similar articles conforming to fe-290 gde e-165 complete all as specified and as directed. 4 m & l for cement concrete m15 (nominal mix) using 20 mm nominal size coarse aggregate in roof kerbs or mud stops, rounded or chamfered on edges or slab staging for water tank or filling of chowkhats complete all as specified and as directed. 5 s&f 2nd class hardwood plain, solid, straight chowkhats and frames, wrought, framed, rebated on the solid, rounded or chamfered, put together with glue, pinned at joints complete all as specified and as directed.