Technical Maintenance of SWD System in Connaught Place Division During 2021-22 SH Repairing and rectification of vulnerable points of Drainage System in the area of Connaught place

Amount

Taking out existing kerb stones of all types from footpath/ central verge, including removal of mortar etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Dismantling stone slab flooring laid in cement mortar including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

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)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.In cement mortar.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 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 soil as directed, within a lead of 50 m. All kinds of soil.

Cutting bituminous premixed surface excluding water bound macadam including disposal of unserviceable dismantled material with in 50 metre lead

Cutting water bound Macadam road surface including screening sorting and stacking and disposal of unserviceable dismantled material within 50 metre lead.

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) excluding testing of joints etc. complete :250 mm dia. R.C.C. pipe

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

Constructing brick masonary circular road gully chamber of 560mm internal dia and depth 60cm with FPS bricks of class designation 75 in cement mortar 1:4 (1 cement : 4 coarse sand ) over a bed of concrete 115cm dia 15 cm thick of mix cement concrete 1:5:10 mix (1 cement :5 coarse sand : 10 graded stone aggregate 40mm nominal size) inside cement plaster of 12mm thick with cement mortar 1:3 (1 cement :3 coarse sand ) finished with a floating coat of neat cement on walls and floors including providing the fibers reinforced gully grating cover and frame 840 mm external dia confirming to specification for the RCC gully grating cover and frame to I.S :12592 part - I with upto date amendment including fixing and embedding the frame in 150mm thick cc 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) complete as per direction of Engineer in charge.

Constructing brick masonry Bell mouth silt chamber type with FPS brick of class designation 75 in cement mortar 1:4 (1 cement : 4 coarse sand ) inside size 45x50x65cm deep channel side wall to be 50cm deep below channel level over which 3 Nos precast cement concret cube of size 15x15x15cm should be fixed to from opening as bell mouth under the SFRC manhole cover and frame of size 550x450mm inside opening with one edge rounded off to match the profile of cement concrete kerb stone including providing and laying bed concrete 15cm thick 1:4:8(1 cement :4 coarse sand :8 graded stone aggregate 40mm nominal size) and 50mm thick 1:2:4 (1cement :2 coarse sand :4 graded stone aggregate 20mm nominal size) 12mm thick cement plaster side the chamber with cement mortar 1:3 (1 cement : 3 coarse sand ) finished with a floating coat of neat cement complete up to entire satisfaction of Engineer-in-charge ( including necessary excavation in foundation and refilling etc complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : A) 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : B)1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: 6.1.1 Cement mortar 1:4 (1 cement : 4 coarse sand)

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.A)12 mm cement plaster

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.

Constructing brick masonary manhole (silt chamber ) of size 120x90x120cm depth with FPS bricks of class designation 75 in cement mortar 1:4 (1 cement :4 coarse sand) 15cm thick RCC top slab with 500mm dia opening with cement concrete 1:2:4 (1 cement : 2coarse sand : 4 graded stone aggregate 20mm nominal size) reinforced with a 18.92Kg cold twisted bars 20cm foundation cement concrete 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) inside plaster 12mm thick with cement mortar 1:3 (1 cement : 3 coarse sand ) finished with a floating coat of neat cement and providing 75 mm thick bed of cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded aggregate 20mm nominal size ) and finished with neat cement Punning inside the manhole complete as per standard design (depth shall be measured from invert level of pipe to top of RCC slab ) difference of 30cm shall be kept between invert level of pipe and the bed Manholes excluding the cost of fixing SFRC manhole cover and frame MD-10 500mm dia internal complete as per direction of Engineer-in-charge which shall be paid separately.

Extra for depth for manholes :Size 120x90 cm. With common burnt clay F.P.S. (non modular) bricks of class designation 7.5.

Providing M.S. foot rests including fixing in manholes with 20x20x10 cm cement concrete blocks 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) as per standard design :With 20x20 mm square bar.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality .H D - 20Circular shape 560 mm internal diameter.

40 mm thick fine dressed stone flooring over 20 mm (average) thick base of cement mortar 1:5 (1 cement : 5 coarse sand), including pointing with cement mortar 1:2 (1 cement : 2 stone dust) with an admixture of pigment to match the shade of stone.Red sand stone/ White sand stone.

Providing and laying gang saw cut 18 mm thick, mirror polished pre moulded and pre polished machine cut granite stone of required size and shape of approved shade, colour and texture in footpath, flooring cut granite stone of required size and shape of approved shade, colour and texture in footpath, flooring in road side plazas and similar locations, laid over 20mm thick base of cement mortar 1:4 (1cement: 4 coarse sand) including grouting the joints with white cement mixed with matching pigment, epoxy touch ups etc. complete as per direction of Engineer-in-Charge.With granite stone of area less than 0.50 sqm.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading,transporting and unloading the same at any C & D waste management site within 25 kms i.e Shastri Park/ Burari /Mundka includingweighing at plant etc complete as per direction of Engineer in charge .Weighing and unloading at the plant shall be as per procedure / rules of the plant management .The rates are inclusive of all operations,labours,leads and lifts from site of work to the C & D waste plant .The processing fee od C& D management at prescribed rates will be deposited by the agency and the same shall be reimbursed by the department on production of only original receipts.y Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

SIYA CONSTRUCTION COMPANY

Deep Constructions

KAJAL ENGINEERING WORKS AND CONTRACTORS