NIT No.1 /Dy.SE (P) SR.II/ (2022-23)

Microtunneling Installation of product pipe by micro tunneling method including concrete structural shaft of sheet piles/RCC retalning /walls/well sinking/secant pilling as per respective site requirements. (up to 100 meter of installation length and 5m depth) all inclusive as per IndsTI: 102-2018 code of practice for Micro Tunneling for slurry based microtunneling suitable for steel/RCC jacking pipe suiting Indian condition (With Three Shaft). Mixed Strata 2864 Dia Pipe (Outer Diameter)

For Depth from 5 m to 8m

MS Pipe Providing Mild Steel pipes /specials fabricated /manufactured out of MS plate of steel garde Fe10 as per IS 3589: 2001 internally coated with polurethane coating and exteranal /outside apoxy coating : minimum thickness of MS plate as specified: complete an all respect: with up to date amendements in relevant IS codes and as directed by Engineer -In Charge .(For Manual pipe jacking and Auger Boring Method) 2800mm dia and nominal dia under (clear internal dia ) of pipe with 32mm thick plate internal coated with polyurethan cating andexternal/ outside epoxy coating.

RCC & Misc Works 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-incharge. All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Carriage of material by mechanical transport including loading, unloading and stacking at site for 5 km lead Earth

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil

Extra rates for quantities of works, executed In or under foul position, including pumping out water as required

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. All works upto plinth level

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access \platform

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge.

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineerin- Charge. The barricading shall not be removed without prior approval of Engineerin- Charge.

Providing and laying 75 mm thick compacted bed of dry brick aggregate of 40 mm thick nominal size including spreading, well ramming, consolidating and grouting with jamuna sand, including finishing smooth etc. complete as per direction of Engineerin-

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: in Cement Mortar (1:6)

CEMENT PLASTER (IN FINE SAND): 20 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand)

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS: 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality E.H.D.-35-Circular shape 560 mm internal dia E.H.D.-35-Circular shape 560 mm internal dia

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in lintels, beams and bressumers, including setting in cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering and shuttering but , excluding the cost of reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

Supplying and stacking of hard stone (for stone pitching) 22.5 cm thick at site.

Dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc. all complete. (Payment for Stone to be made separately).

Total Civil Cost Manual Screen (5m wideX 3 m Height x 2m water depth)), MOC-SS 304, Bar Spacing - 50mm (Including P&F,Inspection & Testing, GST etc.)

Sluice Gate with manually operated rising spindle (3m*3m, MOC-Cast Iron (Including P&F,Inspection & Testing, GST etc.)