Construction of RCC Precast boundary wall at Defense Land - Bhopal under EVI Grant.

Providing Engineering Consultancy Services for structural structural design of foundations, walls, gates including soil investigation for determining its bearing capacity and depth of foundation, mix design etc. along with detailed construction drawings and revision of drawings, required during execution etc. as specified in tender document and other relevant codes. This item is inclusive of visits of consultants as and when required by AAI and vetting from any Govt. Engineering College/IIT or NIT. (Note : Concept level drawings/section/layout plan etc. will be supplied by AAI. Contractor shall submit structural design calculation and engineering working drawing showing all relevant details needed for execution of work in two (2) sets. The payment for this item shall be released in stages as per decision of Engineer-In- Charge which shall be final and binding) and any other details related to consultancy work which are essential for successful execution of works etc complete as per direction and satisfaction of EIC. Stages of payment shall be: (i). Submission of structural design of foundations, walls, including soil investigation for determining bearing capacity and depth of foundation, mix design, detailed construction drawings and revisions required during execution, duly vetted by a Government Engineering Institute (IIT/NIT/GEC.), along with submission of working drawings, revisions of structural drawings, and drawings for gates and drainage structure along the alignment of the boundary wall, etc. = 50% (timeline for completion of this stage shall be 02 months from the date of award of work); (ii) Submission of As-built drawings, any other drawing / plan/ map required to be submitted to the AAI / Defense authorities upon completion of the work = 50% (time line of this stage shall be on the completion of the work but before the payment of final bill of the work);

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 For lead upto 5 Km and lift upto 1.5 m within Airport premises as directed by Engineer-in-charge. 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 upto 50 m and lift upto 1.5 m.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size

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 for: Columns, Pillars, Piers, Abutments, Posts and Struts

Providing, hoisting and fixing above plinth level factory made precast reinforced cement concrete in vertical & horizontal fins, panels, individually or forming box louvers with precast columns, setting in cement mortar 1:3 (1 cement : 3 coarse sand), including the cost of required centering, shuttering, transportation to site and erection charges etc. but excluding the cost of reinforcement, with M-30 precast RCC, all complete (reinforcement steel to be paid separately).

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.

Providing and laying in position ready mixed or site batcheddesign mix cement concrete for reinforced cement concrete work;using coarse aggregate and fine aggregate derived from naturalsources, Ordinary Portland admixtures in recommended proportions as per IS: 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. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 1.10 times of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level. Concrete of M30 grade with minimum cement content of 350 kg /cum.