Construction of cement concrete road near AMD complex

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1km by mechanical means.

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth dressing to camber and consolidating with road roller including making good the undulations etc. and re rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

Construction of granular sub base by providing close graded Material conforming to specifications mixing in a mechanical mix plant at OMC carriage of mixed material by tippers to work site for all leads and lifts spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density complete as per specifications and directions of EIC. With material conforming to Grade II size range 53 mm to 0.075 mm having CBR Value 25

Providing and laying design mix cement concrete of M 30 grade in roads or taxi tracks or runways using cement content as per design mix using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved and specified design criteria providing dowel bars with sleeve or tie bars wherever required laying at site spreading and compacting mechanically by using needle and surface vibrators levelling to required slope or camber finishing with required texture including steel form work with sturdy MS channel sections curing making provision for contraction or expansion construction and longitudinal joints 10 mm wide into 50 mm deep by groove cutting machine providing and filling joints with approved joint filler and sealants complete all as per direction of EIC Item of joint fillers sealants dowel bars with sleeve or tie bars to be paid separately Cement concrete manufactured in automatic batching plant RMC plant ic transportation to site in transit mixer

Providing and laying 60mm thick faciory made cement concrete interlocking paver block of M 30 grade made by block making machine with strong vibratory compaction of approved size design and shape laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand filling the joints with line sand etc. all complete as per the direction of EIC

Providing and laying at or near ground level factory made kerb stone of M25 grade cement concrete in position to the required line level and curvature jointed with cement mortar 1 isto 3 One cement isto 3 coarse sand including making joints with or without grooves thickness of joints except at sharp curve shall not to more than 5mm including making drainage opening wherever required complete etc. as per direction of EIC length of finished kerb edging shall be measured for payment. Precast CC kerb stone shall be approved by EIC

Providing and fixing in position pre moulded joint filler in expansion joints of RCC roads or CC pavements after making the joints dust free with high pressure air jet cleaners all complete as per direction of the EIC. Pre moulded joint fillers shall be made of bitumen hot sealing compound impregnated fibre board having impregnation more than 35oercent conforming to IS1838 for fibre board and IS 18344 for hot sealing bitumen compound grade A

Painting Kerb stones with two coats of Synthetic Enamel Paint of Asian paints or equivalent approved make and shade over a coat of approved primer of two alternate colours including preparing the surfaces cleaning etc. complete with cost of materials labour tools and plants all as per specifications and directions of EIC.

Making bell mouth opening or entrance of size 100 into 50 into 50 cm for drainage pipe under footpath including providing cement concrete 1 isto 3 isto 6 one cement isto three coarse sand isto six graded stone aggregate 20 mm nominal size for shape of bell mouth including plastering providing and fixing precast RCC or SFRC slab including plastering with cement mortar 1 isto 3 one cement isto three fine sand of 6 mm thickness on exposed surface of the slab and bell mouth including centring shuttering and neat cement punning inside the bell mouth etc. all complete

Excavating trenches of required width for pipes cables etc including excavation for sockets and dressing of sides ramming of bottoms depth upto 1.5 m including getting out the excavated soil and then returning the soil as required in layers not exceeding 20 cm in depth including consolidating each deposited layer by ramming watering etc. and disposing of surplus excavated soil as directed within a lead of 50 m Pipes cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia