SPECIAL REPAIR TO EXISTING WATER TANKS (SWTS) AT NDA KHADAKWASLA

Excavation in trenches not exc. 1.50 m wide and not exc. 1.50 m in depth for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying of cable, erection of poles etc. not exc. 10 Sqm on plan and not exceeding 1.5 m in depth getting out in hard/ dense soil complete all as specified and directed.

Excavation in trenches not exc. 1.50 m wide and exc. 1.50 m in depth but not exc. 3.00 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc. 10 Sqm on plan and not exceeding 1.5 m in depth getting out in soft / loose soil complete all as specified and directed.

M&L for Plain Cement Concrete Type D2 1:4:8 (using 40 mm graded stone aggregate) in foundations, filling and mass concrete complete all as specified and directed.

M&L cement concrete 1:2:4 type B1, (using 20 mm graded crushed stone aggregate) as in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, benching, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating and including necessary formwork complete all as specified and directed.

M&L precast cement concrete 1:3:6 type C-1 ( using 20mm graded aggregate ) block masonry with solid blocks exc10 cm thick in width and setting in cement mortar 1:6 complete in wall complete all as specified and directed

M&L for 4mm dia wire mesh 20 Gauge GI wire netting in 40X40X6mm MS angle frame fixed to column etc complete all as specified and directed

M&L for mild steel work as in bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; handmade sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165 complete all as specified and directed.

S&F MS rungs fixed to sump of size 200mm x 300 mm with steel reinforcement 25mm dia in required shape and fixed to brick walls in as steps in sump of wall complete all as specified and directed.

M&L for cement concrete (1:3:6) type C2 using 20mm graded stone aggregate in plinth protection, 100 mm thick, finished even and smooth without using extra cement, including making joints 12 mm wide to the full depth of PCC at every 3 metres and at every change of direction and filling the same with & including bitumen85/25 and sand in the proportion of (1:3) by weight complete all as specified and as directed.

M&L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 finished the surface even and smooth without using extra cement complete all as specified and directed.