TECHNICAL CORRIGENDUM NO: 1DATE: 04.09.2012 Name of tender: Implementation of VOC System (Part A) & Augmentation of Effluent Treatment Plant to remove API bottlenecking along with related auxiliaries (PART B). Tender No. : OC28000021 Date 13-08-2012 (E Tender No.175).

A. CIVIL SECTION: Clarifications to some points of the tender are provided below REFERENCE OF BIDDING DOCUMENT

SL.NO.SEC.NO.PAGENO.CLAUSENO.SUBJECTPOINTSCLARIFICATION

1

___Geo Technical data(a) SOIL INVESTIGATION REPORT : (1) SBC at various depths for major & minor foundation(2) Bore-log details ( Type of soil)(3) Type and depth of foundation to be adopted(4) Any special treatment to be provided below the foundation.(5) Size and type (All detail related to pile ) of Pile in case of Pile foundation.Ground water table for the design of underground tanks.Reference Data from Nearby area of ETP (1) Safe Bearing Pressure 9.8 MT /m2 at 2.00 m level ; 10.6MT/m2 at 2.5 m level ;11.8 MT at 3 m level ( approx) .

(2) As per ANNEXURE- I

(3), (4) & (5): As per EIL standard. Ground water table-1.7m approxNote: The reference data attached from nearby area of ETP. However, as required the vendor shall do the necessary assessment in the actual area of construction.

2___Design basisDesign Basis and job specific requirement for civil & Architectural :(1) Minimum thickness of members (2) Concrete cover(3) Grade of concrete for super structure and sub structure.

(4) Grade of reinforcement & Cement

(5) Loading etc.

(1)As per EIL standard(2)Do(3)Normally it is around M -25 & M-30. However, the vendor to decide as per requirement

(4) Fe500 ; Cement OPC 43 grade

(5)As per EIL standard

3___On grade / Floor-on-grade slabSpecification for floor-on-grade / on grade slab for the buildings / sheds / Pump stations

As per EIL Standard for ETP

4___Technical specificationCivil Structural & Architectural specifications As per EIL Standard for ETP

5Std drawingsStandard drawings for storm water drain, pavement, road etc.As per EIL standard

6Existing drawingsExisting drawings which are to be modified and dismantled.Following drg. to be modified-i)Plant Layoutii)Process Flow Diagramiii)P & ID Any other drawing if arises later to be modified by the bidder.

7Scope of work2181.1.6Tank pad drawing and specificationDrawing and specification.Bidders scope. As per EIL Standard

8-do-Site gradingFGL and NGL

Not much level variation exists.

Note: Above is for tender purpose only. For actual construction etc bidder has to take approval for all materials, items, activities etc.

ANNEXURE- I Reference data from nearby area of ETPType of SOILDepth (m)Clay % age Silt % age Sand % ageRemarks

384645

4.584646

622177

7.5-1882

9-1486

B. INSTRUMENTATION SECTION: Clarifications to some subjects of the tender are provided belowREFERENCE OF BIDDING DOCUMENT

SL.NO.SEC.NO.PAGENO.CLAUSENO.SUBJECTPOINTSCLARIFICATIONS

1Scope of work/supply Instrumentation Control SystemClarification on DCS and field Instrumentation DCS shall be of NRL.Field instruments, cabling between field instrument and field junction box. Field JB to Control Room cabling will be in vendors scope. Vendor has to supply, lay and leave the cables at bottom of marshalling panels including supply & cable glanding at bottom of marshalling cabinet. Termination shall be by NRL, however loop testing shall be jointly by vendor and NRL. All field instruments & JBs shall be provided with canopies.

2

Electrical and Instrumentation Interface Cabling Same as above. The cabling between MCC & DCS (Electrical Instrument interface) shall be in vendors scope and not in NRLs scope.

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