The detail specification of M/H cover and frame should be as follows: - The M/H cover and frame must withstand load of 400kN. - The M/H cover overall diameter must be ≥. The M/H cover shall be made by cast iron. - The M/H cover and frame shall be designed to fit together in such a way that there is no risk of rocking. - The top surface of M/H cover shall have the on the cover center and “BTCL” mark profile shall be made. - The M/H cover must be properly connected to the frame with suitable arrangement to avoid theft. - State the details of M/H cover and frame (dimension, weight etc.) and submit drawings with load test results and standard method for load test in order to demonstrate the proof of load withstanding capacity of 400kN. Standard type of Manhole a) The inner size of the standard type of manholes is tabulated below: Type Length width Height Wall and No. of conduits No. of Floor to be conduits to be (cm) (cm) (cm) thickness accommodated accommodated (cm) for Termination for along the path S-1 220 130 180 20 4 4 b) The inner size of the standard type of manholes is tabulated below: Type Length Width Height Wall and No. of conduits No. of Floor to be conduits to be (cm) (cm) (cm) accommodated accommodated cm) for Termination for along the path S-2 320 130 200 20 4 8 The dimensions shall have the following tolerances. Inside Dimensions (i) Length: ± (ii) Width: ±15mm (iii) Height: ±
The detail specification of M/H cover and frame should be as follows: - The M/H cover and frame must withstand load of 400kN. - The M/H cover overall diameter must be ≥. The M/H cover shall be made by cast iron. - The M/H cover and frame shall be designed to fit together in such a way that there is no risk of rocking. - The top surface of M/H cover shall have the “BTCL” mark on the cover center and profile shall be made. - The M/H cover must be properly connected to the frame with suitable arrangement to avoid theft. - State the details of M/H cover and frame (dimension, weight etc.) and submit drawings with load test results and standard method for load test in order to demonstrate the proof of load withstanding capacity of 400kN. Standard type of Manhole a) The inner size of the standard type of manholes is tabulated below: Type Length (cm) width (cm) Height (cm) Wall and Floor thickness (cm) No. of conduits to be accommodated for Termination No. of conduits to be accommodated for along the path S-1 220 130 180 20 4 4 b) The inner size of the standard type of manholes is tabulated below: Type Length (cm) Width (cm) Height (cm) Wall and Floor No. of conduits to be accommodated for Termination No. of conduits to be accommodated for along the path S-2 320 130 200 20 4 8 The dimensions shall have the following tolerances. Inside Dimensions (i) Length: ± (ii) Width: ±15mm (iii) Height: ± cm)