PROVISION OF RETAINING WALL NEAR D21 D3 FIELD AND C7 C6 FIELDS AT ICAR IARI UNDER GE WELLINGTON

Earth work in excavation over areas by mechanical means (Hydraulic excavator) in any type of soil (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50m and lift upto 1.5m, etc complete all as specified and directed.

Plain cement concrete 1:4:8 type D2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concreting, including necessary form work complete all as specified and directed.

Walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:6 etc complete all as specified and directed.

Broken stone / boulders loose filling with aggregates of gauge 40 to 80 mm as in back of walls complete all as specified and directed.

PVC (SWR) pipes 110 mm dia single socketed in any length with rubber ring joints laid in trenches or in floors etc complete all as specified and as directed.

Extra over stone walling granite or trap stone for Hammer dressing to face stones and dressing of face beds and joints, as specified, of random rubble walling, uncoursed or brought up to courses with maximum depression on face from straight edge held against the dressed surface not exceeding 40mm all as specified and directed.

Keyed pointing to random or polygonal rubble masonry uncoursed or brought upto courses in cement mortar (1:4) etc complete all as specified and as directed.

Plain cement concrete 1:2:4, type B-1 using 20 mm graded stone aggregate as in coping, sides of paver including necessary form work and finishing to all exposed surfaces by using extra cement etc complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick each, layer complete all as specified and directed

Removing excavated soil/ material to a distance exceeeding 250m and not exceeding 500m and depositing where directed complete all as specified and directed.