annexures - Indian Institute of Technology Roorkee

Chapter - 7 Community Sanitation Scheme(b)A water tap may be provided in each WC enclosure keeping in view the localrequirement/practice. The taps should be self-closing type of CI material to avoidwastage of water. An overhead storage tank should be provided with capacities @ 400litres/seat as given below:Table 7.3 : Capacity of Storage Tanks for Community ToiletsS. No. Type Maximum Capacity1 10 Seater 4000 litres2 15 Seater 6000 litres3 20 Seater 8000 litres(c)(d)(e)Arrangement for rain water harvesting may be made.Solar photovoltaic cells may be installed and safety of the component may be ensured.The structure should have provision for sufficient daylight entry through walls / roofs andhigher degree circulation of air through natural ventilation system.7.7.3 Wastewater Disposal SystemConnecting wastewater to a nearby sewer line, if any, should be preferred. If it is not possible,CTC units should be provided with a septic tank followed by a soak pit. In that case a comparisonbetween the cost of sewer line and septic tank etc. should be carried out and least cost optionshould be selected. In the case of soak pit option, its location must be at a safe distance from agroundwater source / water supply pipeline in the area, if any.7.7.4 Bio Gas(a)(b)(c)Community Toilet Complexes should have a good potential to generate biogas which canbe a source of revenue. Biogas produced from public toilet complexes is being utilized fordifferent purposes e.g. cooking, lighting, electricity generation. The Ministry of Non-Conventional Energy Sources (MNES), Government of India provides subsidy for theconstruction of such biogas plants through its different state agencies. Whereverfeasible, biogas generation package should be proposed. Biogas may be used for lightingof the complex and cooking in the caretaker's room. This would offset the electricity costotherwise incurred on lighting.Detailed engineering and drawings along with bills of quantities, specifications, crosssections etc. must form part of the DPR.Bills of quantities, specifications, cross-sections etc. should be presented in a separatevolume.In this regard help of NGO and MNRE may be taken.7.8 OPERATION AND MAINTENANCE(i)(ii)(iii)Operation and maintenance should be accorded priority for sustaining CTC projects.The requirement of funds for O&M should be assessed on a realistic basis.Expenditure on O&M would comprise (a) cost of electricity and water consumption, (b)salary of caretaker, sweeper etc, (c) cost of consumables like soap, detergents,62