PACKAGE : I Bid Document VOLUME : II - Public Health Engineering
PACKAGE : I Bid Document VOLUME : II - Public Health Engineering
PACKAGE : I Bid Document VOLUME : II - Public Health Engineering
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Sl.<br />
No.<br />
Parameter<br />
28. Selenium (mg/l)<br />
(as Se)<br />
29. Mercury<br />
(total mg/l)<br />
30. Polynuclear aromatic<br />
Hydrocarbons (PAH)<br />
(mg/l)<br />
India Standard W.H.O. Standard<br />
Maximum Value Maximum Value<br />
0.010 -<br />
0.001 -<br />
- -<br />
31. Pesticides Absent Nil -<br />
32. Gross alpha activity<br />
(Bq/l)<br />
Nil 3.00<br />
33. Gross Beta activity Nil 30.00<br />
34. E.Coli Count in 100ml<br />
sample<br />
35. Coliform Organisms<br />
(per 100 ml).<br />
0 0<br />
0 0<br />
Should not be detected in<br />
100 ml. of any two<br />
consecutive samples<br />
The contractor shall at his own cost undertake the necessary sampling and testing to<br />
prove that the treated water conforms to the foregoing standards. If the test show the<br />
water quality has not reached specified level, the contractor shall submit his<br />
proposals for meeting the guaranteed requirements to the Engineer. The contractor<br />
shall have to carry out at his own cost whatever measures are required to bring out<br />
desired improvements like additions, alteration to the plant and equipment supplied<br />
or to the civil, electrical or mechanical works done to achieve specified water<br />
quality. No charge will be levied to the contractor for the water used during testing.<br />
21.8 General.<br />
All drawing and design, including structural design and of the detailing of the Civil<br />
<strong>Engineering</strong> and the buildings works necessary for the construction, operation,<br />
support and protection of the plant. The Contractor shall be entirely responsible for<br />
the detailed design of the Treatment Works including civil and structural design for<br />
the duties specified and to achieve the water quality standard specified elsewhere in<br />
Tender <strong>Document</strong>s. In Addition, he shall provide with his tender detailed drawing<br />
as specified showing the arrangement of the plant and equipment offered. Design<br />
standards shall be according to with the best modern practices and shall facilitate<br />
satisfactory operation inspection, maintenance and lubrication of the works. The<br />
process, the plant or any item of equipment of the Contractor's standard design shall<br />
be generally in accordance with the specification in intent and purpose.<br />
DTS : Detailed Tender Specification. Page 245
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