Permits & Development - Encroachment(EP)/Driveway(DW) Permits - 2007_EP-07-301 thru EP-07-400_ - EP-07-352

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c. Cementitious material and aggregate for non-reinforced concrete pipe shall conform to the provisions in Section 65-1.02,"Materials." The first paragraph of Section 65-1.035,"Concrete Backfill,"of the Standard Specifications is amended to read: • At locations where pipe is to be backfilled with concrete as shown on the plans, the concrete backfill shall be constructed of minor concrete or Class 4 concrete in conformance with the provisions in Section 90, "Portland Cement Concrete." Minor concrete shall contain not less than 225 kg of cementitious material per cubic meter. The concrete to be used will be designated in the contract item. The first subparagraph of the second paragraph of Section 65-1.06,"Joints,"of the Standard Specifications is amended to read: Cement Mortar: Mortar shall be composed of one part cementitious material and 2 parts sand by volume. Supplementary cementitious material will not be required. SECTION 66:CORRUGATED METAL PIPE Issue Date: January 5,2007 The first paragraph of Section 66-1.045,"Concrete Backfill,"of the Standard Specifications is amended to read: • At locations where pipe is to be backfilled with concrete as shown on the plans, the concrete backfill shall be constructed of minor concrete or Class 4 concrete conforming to the provisions in Section 90, "Portland Cement Concrete." Minor concrete shall contain not less than 225 kg of cementitious material per cubic meter. The concrete to be used will be designated in the contract item or shown on the plans. SECTION 68:SUBSURFACE DRAINS Issue Date: January 5,2007 The first and second paragraphs of Section 68-3.02D, "Miscellaneous," of the Standard Specifications are amended to read: • Concrete for splash pads shall be produced from minor concrete conforming to the provisions in Section 90-10, "Minor Concrete." Minor concrete shall contain not less than 275 kg of cementitious material per cubic meter. • Mortar placed where edge drain outlets and vents connect to drainage pipe and existing drainage inlets shall conform to the provisions in Section 51-1.135,"Mortar." SECTION 70:MISCELLANEOUS FACILITIES Issue Date: January 5,2007 The second paragraph of Section 70-1.02C,"Flared End Sections,"of the Standard Specifications is amended to read: • Precast concrete flared end sections shall conform to the requirements for Class III Reinforced Concrete Pipe in AASHTO Designation: M 170M. Cementitious materials and aggregate shall conform to the provisions in Section 90-2, "Materials," except that mortar strengths relative to Ottawa sand and grading requirements shall not apply to the aggregate. Use of supplementary cementitious material shall conform to the requirements in AASHTO Designation: M 170M. The area of steel reinforcement per meter of flared end section shall be at least equal to the minimum steel requirements for circular reinforcement in circular pipe for the internal diameter of the circular portion of the flared end section. The basis of acceptance of the precast concrete flared end section shall conform to the requirements of Section 5.1.2 of AASHTO Designation: M 170M. The first paragraph of Section 70-1.02H, "Precast Concrete Structures," of the Standard Specifications is amended to read: _ Contract No. 10-OM7104 50