NIT No.55/EE(SM)/2025-26

Conducting SUE Survey in a corridor of 4-6 meter width to detect buried utilities like pipes, cables etc. in such corridor. Making of the detected utilities on the map of corridor with information of locations and depths to the top of various utilities detected. Onsite detection to be conducted using minimum tools of Electronic Pipe Locator (EPL) and Ground Penetrating Radar (GPR). GPR work to be conducted using MHz and 300 MHz antenna for best possible resolution and penetration. The specifications are SUE survey should be in accordance with ,Code of Practice for Subsurface Utility Engineering Suiting Indian Conditions – Guidelines & Specifications for Detection, Verification & Depiction of Existing Subsurface Utility Data’. (A) Road crossing without dividers 30 m width.

(B) along the road 6 m wide corridore.

Horizontal Directional Drilling for Steel Ducts/Pipes Installation of Steel product pipe by HDD method including preparing and setting up the plant and equipment, preparing new pipe-work material, installing new pipe-work and commissioning system or making the system ready for commissioning by HDD operation including, all related civil and mechanical works like excavation, shoring/strutting, etc. drilling. stringing, reaming, and pulling back the new pipe-work on the designed bore path alignment, proper disposal of drilling fluid and back fill of site after completion all inclusive as per IndSTT:101-2018: Code of Practice for Horizontal Directional Drilling Technique Suiting Indian Conditions. Steel pipes above 300 mm and upto 450 mm dia. In Hard rock

Providng 400 mm internal dia M.S. pipe 9.50 mm thick including internal and external surface with epoxy paint as per entire satisfaction of Engineer-in-Charge

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (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 50 m and for all lift,as directed by Engineer-in-charge. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (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 50 m and lift upto 1.5 m, as directed by Engineer-in charge.(a)Ordinary rock

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (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 50 m and lift upto 1.5 m, as directed by Engineer-in charge(b)Hard rock (blasting prohibited)

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials.(a) Ordinary rock/ Hard rock

Constructing brick masonry circular manhole 1.22 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement :4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design 1.68 m deep with SFRC Cover and frame (heavy duty HD- 20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg. fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Extra depth for circular type manhole 1.22 m internal dia (at bottom) beyond 1.68 m to 2.29 m : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5