D/o 8.66 Hact. of land for Residential Pocket 1, Block-C, Sector-38, Phase-V, Rohini.

PART-A Preparation, submission and obtaining approval of Hydraulic and Structural Design of Internal Storm Water Drain (S.W. Drain) for Pkt C-1 of Sector-38, Rohini, as per approved layout plan and MCD/DJB norms, including: (i) Detailed topographical survey using Total Station/DGPS and establishment of levels with reference to GTS Bench Mark. (ii) Collection of field data and preparation of hydraulic design, hydrological calculations and drainage scheme. (iii) Conducting soil and sub-soil investigation at minimum six locations and submission of geotechnical report. (iv) Preparation of structural design, drawings and design calculations for all components of the storm water drainage system. (v) Preparation and submission of layout plans, longitudinal sections, cross-sections, design reports and all documents required for approval. (vi) Liaisoning with MCD/DJB and attending meetings, site inspections, observations and technical clarifications. (vii) Revision and resubmission of drawings/designs as required by the approving authorities till final approval is obtained. (viii) Obtaining approval of the drainage scheme from MCD and other statutory authorities, wherever required. (ix) Submission of five coloured hard copies and soft copies of approved drawings (in autocad editable format), design calculations, soil investigation report and all approved documents to the Engineer-in-Charge. Complete job including all surveys, investigations, designs, drawings, submissions, liaisoning and approvals, complete in all respects as directed by the Engineer-in-Charge. (Note: Statutory scrutiny/approval fees payable to MCD/DJB or any Government Authority shall be borne separately by DDA.)

PART-B 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.

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.

Excavating, supplying and filling of local earth by mechanical transport up to a lead of 5 km, also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc., complete.

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

Centering and shuttering including strutting, propping etc. and removal of form work for : Retaining walls,return walls, thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Centering and shuttering including strutting, propping etc. and removal of form work for : Suspended floors, roofs, landings, balconies and access platform

Centering and shuttering including strutting, propping etc. and removal of form work for : Edges of slabs and breaks in floors and walls under 20 cm wide

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- 1:4:8 (1 cement : 4 manufactured sand derived from Recycled Concrete Aggregate (RCA) : 8 graded stone aggregate 40 mm nominal size Recycled Aggregate (RA))

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Ordinary Portland cement ,admixtures in recommended proportions as per 1S: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the Engineer-in-charge, for the following grades of concrete.: All works upto plinth level: Concrete of M25 grade with minimum cement content of 330 kg /cum. Note: Cement content considered in M-25 is @ 330 kg/cum. Less cement used as per design mix is recoverable separately. In case the cement content in design mix is more than the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.