M/o various schemes under N.A-II /East Zone.SH-Restoration of settled trunk sewer line and construction of manhole near Trilokpuri metro station.

Providing & fixing 2.0 m high M S Sheets barricading With frame of angle iron 40x40x6 mm every post to be welded with MS channel ISLC 100X50X6.4 MM horizontal i/c making of hole in the channel for providing embedding of 16 mm dia round torque bars in the road as per drawing (for trunk sewer work only )

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

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. a)All kinds of soil

Hire and running charges of crane 20 tonne capacity

Construction of bundh with earth filled up earth in empty (PVC) cement bags i/c stitching/ Stacking placing in position and removing the same etc.)

Providing at site ISI marked NP3 Class RCC pipe HDPE Lining (2-3 mm thick) (Medium Duty) having S&S Joint with rubber ring complete ISI marked as per IS- 458-2003 1600 mm internal diameter

Lowering, Laying and Jointing in trenches NP3 Class RCC pipe HDPE Lining (2-3 mm thick) 2 (Medium Duty) having S&S Joint w i t h rubber ring complete ISI marked a s per IS-458-2003 1600 mm internal diameter

Constructing brick masonry circular manhole 6'-0" or 1.83 m internal dia at bottom and 1'-10" or 0.56 m dia at top, up to IL 12'-6" or 3.81 m built in brickwork with extruded burnt sewer brick ( in FPS Size) conforming to IS-4885-1988 in curved on plan in cement mortar 1:4 (1 cement :4 coarse sand) excluding excavation & soling, but including 12" or (0.30 m) thick foundation cement concrete 1:2:4 (1 cement :2 coarse sand :4 graded stone aggregate 40 mm nominal size) including centering and shuttering and fixing SFRC manhole cover and frame (Heavy Duty) 560 mm internal dia in cement c;:onc. 1:2:4 (1 cement :2 coarse sand; 4 graded stone aggregate 20 mm nominal size) and 12 mm thick cement plaster both inside and outside with cement mortar 1:4(1 cement : 4 coarse sand) andinside plaster to be finished with a floating coat of neat cement. Making necessary channel in cement cone. 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20 mm nominal size) all complete as per departmental drawings and as directed by Engineer-in-Charge .

Extra per meter depth of 6"-0"dia Or 1.829 m dia internal circular manhole built with brickwork with extruded burnt sewer brick ( in FPS size) conforming to IS 4885-1988 in curved in cement mortar 1:4 (1 cement : 4 coarse sand) 12 mm thick cement plaster both inside and outside with cement mortar 1:4 (1 cement : 4 coarse sand) and inside plaster to be finished with a floating coat of neat cement and all complete as per departmental drawings and as directed by the Engineer -in- Charge. (cost of providing and fixing of plastic encapsulated foot rest shall be paid separately).Beyond Detail for 3.81 meter and upto IL 6.096 meter depth ( 12'-6" to 20'-0") cement required 5.06 Qtl./ meter depth

Extra per meter depth of 6"-0"dia Or 1.829 m dia internal circular manhole built with brickwork with extruded burnt sewer brick ( in FPS size) conforming to IS 4885-1988 in curved in cement mortar 1:4 (1 cement : 4 coarse sand) 12 mm thick cement plaster both inside and outside with cement mortar 1:4 (1 cement : 4 coarse sand) and inside plaster to be finished with a floating coat of neat cement and all complete as per departmental drawings and as directed by the Engineer -in- Charge. (cost of providing and fixing of plastic encapsulated foot rest shall be paid separately). Beyond Detail for 6.096 meter to 10.668 meter depth ( 20'-0" to 35')(Beyond 20'-0" or 6.096 m and up to IL G5'-0" or 10.668 m ( cement required 6.10 Qtl./ meter depth.)

Providing leak proof roka's in 150 mm dia to 300 mm dia running sewer line with earth filled in empty cement (PVC) bags i/c removal of same after completion of work.

Plugging of the exsiting sewer line and manhole with 2 nos MS Sheet 6 mm thick angle iron frame and braces shutters to be shutted with wooden struts and filling the manhole with empty cement (PVC) bags filled up with earth up to suitable depth to avoid leakage the sewer on the U/S side to be pumped with suitable nos. the capacity of pumps, till the work is completed so as to keep reduce the pressure to be required extent to the plugged manhole. necessary arrangement to be made for pumping of any leakage noticed in the manhole or to re-pluge in the case of heavy leakage. The steel shutters and earth filled PVC cement bags shall be removed after the completion of work and then the manhole shall be desilted.

Hiring and running charges of Diesel Generator 100 KVA/125 KVA

Hiring and running charges of dewatering submersible pump : 20 HP

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

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

Providing and Stacking at site precast concrete manhole cover with steel fiber of ISI mark conferming to IS 12592 part 1 of EHD-35 with matching frame of class EHD-35, IS 12592 part II with 875 mm external dia and clear 560 mm internal dia.

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

Making arrangement for sorting / support to slides of the trench by providing / driving / installing in position of ISMB 200x140 at 1.20 m c/c with guide angle iron of size 125x100 mm upto a depth of 2.00 m lower than the excavation level of trench upto design depth fitting m s plate in between IS MG guide angle welded MS plate having frame of angle 40x40x5 of 1.5 mm thick 18 guage m s plate of suitable length and width on each face of the trench ISMB shall be started by proposed or 50 ms plate at 1.5 mm c/c i/c nut bolt, plate to be joined memeber i/c other arrangement required to complete the system i/c removal of antire arrangement after laying of sewer line in parts of a whole details as per drawings the payment will be made in sqm basis on face area supported by ms plate. No extra payment shall be made, as per drawings as directed by the engineer in charge

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