Common use of Manholes Clause in Contracts

Manholes. TS-815 Manhole dimensions shall be as shown on Drawings. TS-816 Manholes shall be constructed from approved precast concrete rings. TS-817 Manholes, xxxxxxxx, Septic tanks, disintegration and settling tanks and percolating pits shall be constructed in the positions and to the dimensions shown on the Drawings or as directed by the Managing Official . The method of execution of all work in connection with these shall be as elsewhere described in the appropriate trades. TS-818 Manhole base slabs shall be according to drawings, and .at least 150mm thick grade (A) concrete or as directed and approved by the Managing Official. TS-819 Manhole cover slabs shall be a minimum of 150mm thick suitably reinforced grade (A) concrete, where also approved precast covers can be used. TS-820 Precast concrete manholes shall comply with BS 556. TS-821 Manhole sections shall be jointed using a cement and sand mortar, 1 : 2 , proprietary bituminous or resin fillers . Where flexible fillers are used their shape, thickness and location in the joint shall be in accordance with the manufacturer's recommendations. The remainder of the joint shall be filled with a cement and sand mortar 1: 2, to prevent settlement of the sections with possible point contact and subsequent spalling of the concrete joint. TS-822 Precast concrete manholes used below water table level shall be surrounded with a minimum thickness of 150mm concrete which shall be not less than a 1:2:4 mix. TS-823 Sulphate resisting cements shall be used in concrete and mortar, or accepted epoxy paint should be made for all concrete and mortars facing the waste water. TS-824 Cast iron manhole covers and frames shall comply with BS 497 except that the bituminous based protective coating shall not flow or chip when exposed to temperatures in the range of 0OC to 76.7OC.

Manholes. TS-815 TS-903 Manhole dimensions shall be as shown on Drawings. TS-816 TS-904 Manholes shall be constructed from approved precast concrete rings. TS-817 TS-905 Manholes, xxxxxxxx, Septic tanks, disintegration and settling tanks and percolating pits shall be constructed in the positions and to the dimensions shown on the Drawings or as directed by the Managing Official . The method of execution of all work in connection with these shall be as elsewhere described in the appropriate trades. TS-818 TS-906 Manhole base slabs shall be according to drawings, and .at least 150mm thick grade (A) concrete or as directed and approved by the Managing Official. TS-819 TS-907 Manhole cover slabs shall be a minimum of 150mm thick suitably reinforced grade (A) concrete, where also approved precast covers can be used. TS-820 TS-908 Precast concrete manholes shall comply with BS 556. TS-821 TS-909 Manhole sections shall be jointed using a cement and sand mortar, 1 : 2 , proprietary bituminous or resin fillers . Where flexible fillers are used their shape, thickness and location in the joint shall be in accordance with the manufacturer's recommendations. The remainder of the joint shall be filled with a cement and sand mortar 1: 2, to prevent settlement of the sections with possible point contact and subsequent spalling of the concrete joint. TS-822 TS-910 Precast concrete manholes used below water table level shall be surrounded with a minimum thickness of 150mm concrete which shall be not less than a 1:2:4 mix. TS-823 TS-911 Sulphate resisting cements shall be used in concrete and mortar, or accepted epoxy paint should be made for all concrete and mortars facing the waste water. TS-824 TS-912 Cast iron manhole covers and frames shall comply with BS 497 except that the bituminous based protective coating shall not flow or chip when exposed to temperatures in the range of 0OC to 76.7OC.

Manholes. TS-815 TS-329 Manhole dimensions shall be as shown on Drawings. TS-816 TS-330 Manholes shall be constructed from approved precast concrete rings. TS-817 TS-331 Manholes, xxxxxxxx, Septic tanks, disintegration and settling tanks and percolating pits shall be constructed in the positions and to the dimensions shown on the Drawings or as directed by the Managing Official official . The method of execution of all work in connection with these shall be as elsewhere described in the appropriate trades. TS-818 TS-332 Manhole base slabs shall be according to drawings, and .at least 150mm thick grade (A) concrete or as directed and approved by the Managing Officialofficial. TS-819 TS-333 Manhole cover slabs shall be a minimum of 150mm thick suitably reinforced grade (A) concrete, where also approved precast covers can be used. TS-820 TS-334 Precast concrete manholes shall comply with BS 556. TS-821 TS-335 Manhole sections shall be jointed using a cement and sand mortar, 1 : 2 , proprietary bituminous or resin fillers . Where flexible fillers are used their shape, thickness and location in the joint shall be in accordance with the manufacturer's recommendations. The remainder of the joint shall be filled with a cement and sand mortar 1: 2, to prevent settlement of the sections with possible point contact and subsequent spalling of the concrete joint. TS-822 TS-336 Precast concrete manholes used below water table level shall be surrounded with a minimum thickness of 150mm concrete which shall be not less than a 1:2:4 mix. TS-823 TS-337 Sulphate resisting cements shall be used in concrete and mortar, or accepted epoxy paint should be made for all concrete and mortars facing the waste water. TS-824 TS-338 Cast iron manhole covers and frames shall comply with BS 497 except that the bituminous based protective coating shall not flow or chip when exposed to temperatures in the range of 0OC to 76.7OC. TS-339 Manholes exceeding 1.00 meter deep internally shall have a minimum internal diameter of 80 cms. TS-340 Where required the channels in manhole bottoms shall be constructed of glazed earthenware channels jointed in a similar manner to the pipes. Alternatively when so described the channels shall be formed in fine concrete finished smooth. The channels shall be semi circular in section and the concrete shall then be carried up vertically for a distance of 80mm at each side and sloped back at a minimum fall of 1: 10.