CONTENTS - Central Public Works Department

APPENDIX 2
(d) Do the invert levels permit connection to existing duct by gravity? If not, has provision been made
for pumping the sewerage?
(e) If pumping is necessary :
(1) Has provision been made for sumps, pumps, pump house and rising mains?
(2) Is electricity available?
(3) Is arrangement for prime mover in an emergency breakdown required?
(f) Details of sumps with regard to capacity, diameter.
(g) (1) Details of pumps with regard to capacity, horse power, type of pumps (vertical or horizontal)
etc.
(2) Efficiency factor assumed in the design of pumps.
(h) Details of pump house, rising mains, etc.
(i) In case connection to existing duct has not been provided :
(1) Has provision for septic tank, treatment plant, etc. been made ?
(2) Have soak pits or dispersion trenches been provided?
(3) What is the type of soil?
(j) Maximum and minimum depths below ground level of the ground water table.
(k) Arrangements for disposal of treated effluents.
(l) If sewers are to be laid in filling or across nallahs, have supports to firm ground been provided?
(m) Have sewers and water mains been planned on opposite sides of the road?
(n) Where sewers cross nallah, arrel etc. has the design been appropriately made?
(o) In case of stage development schemes or where delay in the procurement of equipment is
anticipated, have temporary arrangements been made for disposal work?
9 (a) Has provision been made for concreting upto haunches or all round?
(b) If so, on what basis?
10. Is provision of excavation under sub-soil was necessary?
11. Has provision been made for laying concrete and sewers under sub-soil water?
12. Is cutting through rock involved?
13. Has provision been made for crossing roads and nallahs?
Part II - Materials
14. Requirements of different types/sizes of pipes and specials.
15. Requirements of different types of manhole covers.
16. Have requirements of pumps been determined in consultation with the Electrical Engineer?
17. Requirements of any other materials/tools and plants.
PROFORMA – 5 OF APPENDIX 2
CITY ROADS
1. Name of project.
2. (a) Reference to administrative approval and expenditure sanction and their amounts.
(b) Provision to cover the portion of work for which detailed estimate has been prepared.
3. Amount of detailed estimate.
Part I - Engineering Appreciation
4. Reference to approval of the layout and alignment by competent authority.
5. Justification for the choice of the alignment indicating inter-alia obligatory points.
6. (a) Standards to be followed for :
(i) Cross-section of the road (indicating number of lanes)
(ii) Class of road
(b) Have suitable road junctions and crossings been designed and provisions made in the estimate?
(c) Has provision been made for road signs?
7. Nature of sub-grade and sub-grade preparation suggested.
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