Military Engineer Services Tender

Reinforced concrete pipes, class NP 3, laid & jointed complete with collars, bore of pipe 450 mm, complete all as specified & directed.

15 mm thick plastering in cement mortar 1:4 on fair faces of brick surfaces or concrete surfaces, surface finished even and smooth without using extra cement, complete all as specified.

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m in depth; for foundation etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and n exc 1.5m in depth in any type of soil and getting out, complete all as specified and as directed.

Removing excavated material to a distance exc 50 mtr but not exc.100 m and depositing where directed at a level not exc. 1.5m above the starting point, complete all as specified.

Forming 12mm thick Expansion joints filled with pre-formed bituminious filler and top 30mm primed and sealed with sealing compound Grade ‘A’, thickness of concrete slab 250mm including providing 20 mm dia mild steel dowel bars 50cm long (25cm in each slab) with ferrules, spaced at 300 mm centres, including boring form work and preformed filler for dowels, complete all as specified & directed.

Forming embankments of soils including raising (or lowering) earth, spreading in layers n exc. 30cm thick; watering, ramming/rolling and finishing to required size, shape, etc., n exc 1.5m high from base, complete all as specified. (Note- Soil shall be used obtained from srl item no. 01 of above)

100 mm thick PCC 1:4:8 nominal mix, type D-2, using 40 mm graded crushed stone aggregate as sub base, paving etc, complete all as specified.

Polythene film 250 micron thicklaid over sub base layer, complete all as specified and directed.

PCC 1:2:4, nominal mix, type B-1, using 20mm graded crushed stone aggregate as in lintels upto 1.5m clear span, cills, steps, seismic and other similar bands, plinth courses, coping, bed plates and the like including weathering, slightly rounded or chamfered angles and throating including necessary form work, complete all as specified.

Removing excavated material to a distance exc 200 mtr but not exc. 250 m and depositing where directed at a level not exc. 1.5m above the starting point, complete all as specified.

Returning, filling in (soil), including spreading, leveling, watering and well ramming in layers not exc. 25cm, complete all as specifed.

Precast cement concrete 1:2:4 (nominal mix), type B-1 using 20mm graded crushed stone aggregate as in landings, cover slabs (for manhole etc.), and similar articals with plain faces, complete all as specified.

Brickwork with sub-class ‘B’ bricks (old size), straight or curved on plan exc. 6m in mean radius, built in cement mortar 1:4, complete all as specified..

TMT bars 10mm dia & over, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, conforming to grade Fe-500, complete all as specified& directed.

Spreading, levelling, watering and well ramming of Soil in layers n exc 25 cm thick in layers complete all as specified . (Note- Soil shall be used obtained from srl item no. 01 of above)

PCC 1:3:6, nominal mix, type C2, using 40mm graded crushed stone aggregate as in surface channel and drains, complete all as specified.

20 mm thick Sand cusion layer including spreeding, watering to required gradient under polythene film, complete all as specified

Excavation in over area not exc. 1.5m deep in any type of soil and getting out, complete all as specified and as directed.

Cement concrete work in pavement/hardstanding laid in panels of size as directed of flexural strength 40 kg/per square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 25 cm or lessincluding necessary form work at both side of road as required at site and directed by Engr in Charge. NOTE-1. All concrete shall be done by using computrized automatic concrete batching plant of min capacity 15-20cum/hr which shall be installed by contractor baching and mixing at site, calibrated and tested. The the batching plant shall confirm to IS 4925 have the facilities of data print out, presenting the quality to be weighng automatic cut off when the same is achieved. 2.General sample from fresh concrete shall be taken as per IS-1199 and cubes shall be made curved and tested at 28days in accordance with IS-516. 3.IN order to get a relatively quicker idea of the quality of concrete optional tests on beam for modules of rupture at 72(+2h) or at 7 days, or compressive strength test at 7 days may be carried out in addition to 28 days compressive strength test. For this purpose should be arrived at based on actual testing. In all cases, the 28 days compressive strength specified in table 2 shall alone be the criteria for acceptance or rejection of the concrete.

Extra for forming fair finished drain or channel 30cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc., complete all as specified.

Forming Construction (Dummy) joints 65mm deep x 10mm wide, filled with sealing compound grade ‘A’, complete all as specified & directed.