Laserfiche WebLink
SECTION 3 – STORMWATER <br />31 <br />3-3.2 (b) (v) FLOW CHANNEL AND BENCHING <br />Manhole flow channel and benching shall be of Class A concrete, refer to Standard Drawings. <br />3-3.2 (b) (vi) ADJUSTING RINGS <br />Adjusting rings shall be pre-cast concrete, refer to Standard Drawing 3-5. <br />3-3.2 (b) (vii) CASTING (FRAME AND COVER) <br />Manhole castings shall be heavy duty (H-20 rated) cast iron, refer to Standard Drawing 3-5. <br />3-3.2 (b) (viii) CURED IN PLACE PIPING (CIPP) <br />See Specification Section 4-2.5 for CIPP requirements. <br />3-3.2 (c) BEDDING MATERIALS <br />The pipe bedding materials shall be as shown on Standard Drawing 3-10. <br />3-3.2 (d) MISCELLANEOUS <br />3-3.2 (d) (i) CONCRETE SADDLE <br />The concrete saddle shall be as shown on Standard Drawing 3-4. <br />3-3.2 (d) (ii) PERFORATED PIPE <br />Perforated pipe shall be as shown on Standard Drawing 3-8. <br />3-3.2 (d) (iii) DRYWELLS <br />Drywells shall be as shown on Standard Drawing 3-9. A geotechnical investigation must be performed <br />to prove that the soil can allow the proper infiltration rate. <br />3-3.2 (d) (iv) FLOWABLE FILL (REMOVABLE) <br />Removable flowable fill mix design shall comply with INDOT Standard Specifications Section 213. <br />3-3.2 (d) (v) MISCELLANEOUS CONCRETE <br />Where called for, concrete shall be Class A conforming to INDOT Standard Specifications Section <br />702.