2007-136 - Laserfiche WebLink

Home Browse Search

31 . 13 Damages. In the event that damage is caused by the CONTRACTOR, the CONTRACTOR shall restore all sidewalks, roads, access ramps, dune vegetation or any other structure or natural feature to pre-construction conditions or better at the CONTRACTOR' S own expense. The CONTRACTOR shall not receive final payment until all damage is restored to the satisfaction of the COUNTY. All existing vegetation, seawalls, stairs, lifeguard towers and chairs, overwalks and similar beach access structures shall be protected from direct hydraulic discharge and impact by construction equipment. Backfilling around such structures shall be performed by appropriate construction equipment or by hand. 31 . 14 Dune Construction. CONTRACTOR shall provide beach fill from the Borrow Area between the elevations and locations specified in the Plans. All existing vegetation within the lines and grades as specified in the Construction Plans shall be buried except those plants and dune areas marked for protection by the COUNTY. All fill and grading shall be paid for at the unit price for the Dredge and Fill bid item. 31 . 15 Dune Grading and Dressing. The dune portion of the project area shall be constructed according to Section 30 of these Technical Specifications. Where existing elevations permit, the crest of the constructed dune feature shall be graded longitudinally to taper into the grade of the adjacent natural beach and minimize any potential safety hazard. Where existing grade is lower than the proposed dune crest elevation of + 14 ft. NGVD in Sectors 1 & 2 and + 12 ft. NGVD in Sector 7, the CONTRACTOR shall field-stake, subject to COUNTY or ENGINEER approval, the upland limits of the proposed dune construction. Grading shall be performed under the supervision of the COUNTY. The CONTRACTOR shall notify the COUNTY at least 24 hours prior to commencement of grading. 31 . 16 Escarpment Leveling. The CONTRACTOR shall be responsible for grading escarpments that form along accepted sections of beach, repetitively if necessary, until all construction is complete. Any escarpment that exceeds 18 inches in height along at least 100 feet of shoreline shall be graded to a minimum of a 1 : 10 (V: H) slope at the direction of the COUNTY. Payment for escarpment leveling shall be included in the unit price for the Dredge and Fill bid item. Prior to final acceptance, the CONTRACTOR will inspect the beach for the formation of sand escarpments. Any escarpments exceeding 18 inches in height (on average) and 100 feet in length will be leveled or smoothed to eliminate the escarpment. The ENGINEER will be notified prior to the leveling of any escarpments to ensure that the ENGINEER agrees with the judgment of the CONTRACTOR regarding the need to level escarpments. Leveling will be conducted in compliance with sea turtle nesting permit conditions. 31 . 17Tilling. The CONTRACTOR shall, immediately following the completion of fill placement for the project, mechanically till the beach to a depth of 36 inches. Any marked sea turtle nests in the project area will be avoided during the tilling process. 31 . 18 Misplaced Material. The CONTRACTOR shall minimize loss and/or misplacement of fill material . If, during the progress of the work, the CONTRACTOR should lose, dump, throw overboard, sink, or misplace any material, plant, machinery, or appliance which in -31 TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS V TS