PROVN OF RETAINING WALLS, AND DRAIN BEHIND ANSHANKAN (CALIBRATION LAB) BUILDING AT 32 BIGHA LAND DGRE RDC, MANALI UNDER AGE (I) R AND D MANALI.

Earth work in excavation all kind of soil by mechanical means (Hydraulic excavator) /manual means for in foundation trenches or drain (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including dressing of sides and ramming of bottom, lift upto 1.5m including getting out all kind of soil the excavated soil as directed with in lead 50m complete all as specified and directed.

M&L for Excavation work hard rock (blasting prohibited) by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m complete all as specified and directed.

M&L for PCC 1:4:8 (Mass concrete) (1 cement : 4 Coarse sand (Zone III) derived from natural source ; 8 graded stone aggregate 40mm nominal size derived from natural source) complete all as specified and directed.

M&L for Providing and laying in position ready mixed or site batched design mix Concrete of M30 grade with minimum cement content of 350 kg /cum upto NGL/GL for reinforced cement concrete work in foundation/footings, retaining wall, buttress wall, beams, columns, drain, channel etc; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement complete all as specified and directed.

M&L for Providing and laying in position ready mixed or site batched design mix Concrete of M30 grade with minimum cement content of 350 kg /cum above NGL/GL for reinforced cement concrete work in retaining wall, buttress wall, beams, columns; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement complete all as specified and directed.

M & LSteel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto NGL/GL Thermo-Mechanically Treated (TMT) bars of grade Fe-500D or more complete all as specified and directed.

M & L Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above NGL/GL Thermo-Mechanically Treated (TMT) bars of grade Fe-500D or more complete all as specified and directed.

M&L for Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, walls and buttresses etc. for mass concrete complete all as specified and directed.

S & F for providing PVC (SWR) pipes, 110 mm dia, fixed at slope of 1V:2H as per drawing in any length fixed to walls as in weep holes of RCC retaining wall complete all as specified and directed.

M&L for returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and directed.

M&L for excavating, supplying, stacking and filling of local earth (including royalty) by mechanical transport including ramminig and watering of the earth in layers n.exc 20 cm by layers upto 1.5m in foundation treanches, plinth, sides of foundation etc.complete for all lift complete all as specified and directed.

Complete all as per above item ser No 11 extra for every additional lift of 1.5m (ie. 1.5 to 3 m) or part thereof in excavation/banking excavated or stacked materials for all kind of soil complete all as specified and directed.

Complete all as per above item ser No 11 extra for every additional lift of 1.5m (ie. 3 to 4.5 m) or part thereof in excavation/banking excavated or stacked materials for all kind of soil complete all as specified and directed.

Complete all as per above item ser No 11 extra for every additional lift of 1.5m (ie. 4.5 to 6 m) or part thereof in excavation/banking excavated or stacked materials for all kind of soil complete all as specified and directed.

Demolishing stone rubble masonry in cement mortar manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead complete all as specified and directed.

M&L for Forming 50 mm wide expansion joint in concrete wall or slab for full depth of concrete. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. The joint then filled with pre-molded bitumenous filler board as specified after filling of with sealant as per the method specified by the manufacture complete all as specified and directed.

Supplying, filling, spreading and levelling stone boulders of size range 4 cm to 60 cm as in back filling of invert filter of retaining wall in the required thickness for all leads & lifts complete all as specified and directed.

Supplying, filling, spreading and levelling stone of size range 1.25 cm to 2 cm as in back fill of invert filter of retaining wall over the existing layer of boulders in the required thickness for all leads & lifts complete all as specified and directed.

Supplying, filling, spreading and levelling coarse sand as in back fill of invert filter of retaining wall over the existing layer of boulders in the required thickness over gravel layer for all leads & lifts complete all as specified and directed.

M&L for providing and placing suitable PVC water stops confirming to IS 12200, serrated with central bulb (150 mm wide and 8-11 mm thick) for construction /expansion joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc. as per approved drawing complete all as specified and directed.

M&L for PCC type 1:4:8 Mass concrete graded stone aggregate 40mm nominal size complete all as specified and directed.

M&L for centering and shuttering including strutting, propping etc. and removal Walls (any thickness) including attached pilasters, butteresses,base sides, plinth and string courses etc. complete all as specified and directed.

M&L Providing and laying Non Pressure NP-3 class (Medium duty) R.C.C. 450 mm di RCC pipes s including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 including testing of joints etc. complete all as specified and directed.

Extra for forming fair finished drain or chnnel 30cm inner girth in cement concrete, using extra cement, incl forms,moulds,mi-tred/stopped ends etc complete all as specified and directed.

Add or deduct for each 25mm girth complete all as specified and directed.

M&L Pre cast Reinforced cement concrete work in beams, suspended floors, drain cover slabs, above plinth level upto floor level including the cost of centering, shuttering, finishing but excluding the cost of reinforcement with 1:1.5:3 graded stone aggregate 20 mm nominal size complete all as specified and directed.

M&L for Earth work in all kind of soil surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, complete all as specified and directed.

M&L for Hardcore of gauge n exc. 63 mm broken stone or boulders, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M&L for PCC 1:4:8 as in sub base of mass concrete with graded stone aggregate 40mm nominal size derived from complete all as specified and directed.

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, 80mm thick cement concrete paver block of M-35 grade with approved colour, design & pattern laid in required colour & pattern over 50mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as specified and directed.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge(Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix) complete all as specified and directed.

M&L for 75mm thick PCC 1:3:6 type C2 using 40 mm graded stone aggregate as in plinth protection , finished fair and even, without using extra cement complete all as specified and directed.