PROVN OF PARKING SHEDS AT MAIN ATC BUILDING FOR CFT AND MRS AT AFS HASI MARA

Excavation over area not exceeding 1.5m deep and getting out in soft/loose soil, complete all as specified and directed.

Surface excavation not exceeding 30cm deep and averaging 15cm deep and getting out in soft/loose soil, complete all as specified and directed.

Earth work in excavation by mechanical means (Hydraulic excavator) in foundation trenches or drains (not exceeding 1.5m in width or 10 Sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil within a lead of 50m, complete all as specified and directed.

Returning filling in incl spreading, leveling watering and well ramming in layers not exceeding 25cm in soft/loose soil, complete all as specified and directed.

Removing excavated materials to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil, complete all as specified and directed.

Rolling and consolidating formation surfaces in cutting exc. with power roller 8 to 12 tonne, complete all as specified and directed.

M&L for 150mm thick (compacted thickness) Granular Sub Base Course (GSB) grading as per Grade I as specified Table 400-1 of MoRTH specifications for Road and Bridge works, 2013, in a single layer over compacted subgrade with natural sand, crushed gravel, crushed stone, crushed slag or combination thereof as per the grading required. The materials are mechanically mixed, spread and leveling on the subgrade by using motor grader of adequate capacity, and rolling with vibratory roller of capacity 80-100 KN static weight for achieving required compaction density of atleast 98% of the Maximum Dry Density. Consolidating to required gradient and camber with finished surface tolerances as per Table 900-1 of MoRTH specifications for Road and Bridge works 2013, complete all as specified and directed.

M&L for 150mm thick (compacted thickness) Wet Mix Macadam (WMM) laid in two layers of 75mm each grading as per table 400-13 of MoRTH specifications for Road and Bridge works 2013 manufactured in WMM plant material comprising of clean, crushed, graded aggregate and granular material premixed with water to a dense mass, spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN static weight and consolidating to required gradien and camber with finished surface tolerances to be as per Table 900-1 of MoRTH specifications for Road and Bridge works 2013, complete all as specified and directed.

M&L for providing and laying Dry lean Concrete (DLC) 150mm thick of aggregate gradation as per Table 1 of SP 49:2014 having 7 day average compressive strength not less than 7 MPa. Minimum cement content not less than 140 Kg/Cum, DLC mixed in Batching Plant, transported to site and laid by electronic sensor paver including spreading and compacting using high amplitude tamping bars of paver (initial compaction) further by double drum smooth wheeled vibratory rollers with 80-100 KN static weight to achieve minimum dry density not less than 98% of maximum Dry Density, necessary finishing etc and tolerances to be as per Table 900-1 of MoRTH specifications for road and Bridge work 2013, complete all as specified and directed.

M&L for pavement quality concrete (PQC) of minimum 28 days field Flexural strength of 45Kg/ Sqcm or 4.5 MPa, aggregate gradation as per Table 3 of IRC 15-2017, coarse aggregate of clean, hard strong, dense, non-porous and durable pieces of crushed stone or gravel, fine aggregates of clean natural sand or crushed stone sand or combination of both using minimum 360 Kg/Cum of cement with and including non-circular virgin synthetic fibre of 12-18mm length, specific gravity 1.34 to 1.39, UV stable, alkali resistant, with equivalent dia 15-40 micron, minimum melting temperature as 240°C and minimum tensile strength of 300 MPa and at the rate as specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7.50m width, including curing and tining by Texturing cum Curing Machine, Required surface texturing to be done as specified in Clause 10.1.14 and Table 9 of IRC 15-2017, complete all as specified and directed.