tender for construction and maintenance work in head office- 1 maintenance work in head office 2 15.2.1 : demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge.nominalconcrete 1:3:6 or richer mix (i/c equivalent design mix) 3 15.3 :demolishing r.c.c. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of engineer -in-charge. 4 15.5 : extra for cutting reinforcement bars manually/ by mechanical means in r.c.c. or r.b. work ( payment shall be made on the cross sectional area of r.c.c. or r.b work) as per direction of engineer-in-charge 5 15.7.3 : demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of engineer-in-charge.in lime mortar 6 2.8.1 : earth work in excavation by mechanical means (hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.all kinds of soil 7 7.1.1 : random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:cement mortar 1:6 (1 cement : 6 coarse sand) 8 od413463/2025-2026 : cleaning rusted steel with wire brush, applying rust remover of standard quality one coat over all exposed steel bars using brush, cleaning bars with wire brush after two hours of applying rust remover to the bars, cleaning brushed bars with water and applying rust resistant agent to the exposed bars. 9 od413481/2025-2026 : applying one coat of bonding agent mixed with equal quantities of cement over exposed surfaces of concrete just before applying cement plastering or cement concrete. 10 5.22.1 : steel reinforcement for r.c.c work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelmild steel and medium tensile steel bars 11 5.9.6 : centering and shuttering including strutting, etc. and removal of form for:columns, pillars, piers, abutments, posts and struts 12 5.1.2 : providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - all work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size derived from natural sources)