3310 FEDERAL AVE 2016-01-01 MF Import

STREETS AND RELATED WORK C. The opening is at least 160 feet rrom any other driveway on the property frontage under control of the applicant. D. A minimum 100 feet storage area is provided between the curb line on the street and any tuming or parldng maneuvers within the development. 3-19.3(� ERCAVATION AND SUBGRADE Where directed by the engineer, unsuitable materialin the subgrade shall be removed to a specific depth and bacl�'illed with select material such as Gravel Borrow conforming to Sec6on 3-20.2 of these Specificadons. Before any concrete is placed, the contracror shall bring the subgrade w the required line, grade and cross-secuon. The contracwr shall maintain the subgrade in the required condidon until the concrete is placed. Compacdon shall be to 9596 standard density. 3-19.3(� FORMS AND FINE GRADING Forms for the suaight sections of the driveway or alley retum shall have a minimum thickness of 2 inches and be equal to the nominal depth of the wncrete. Plywood or 1 inch lumber may be used on radii. All forms shall be securely staked and blocked to we line and gnde. A template shall be set upon the forms and the subgrade shall be fine gnded section. The subecade shall then be compacted w the approval of the engineer. concrete, the subgrade shall be thoroughly dampened. 3-19.3('n PLACING AND FINISHING w wnform W the requiral Prior to placement of the The concrete shall be spread uniformly between the forms and thoroughly compacted with an approved ty�e of strikeboard. Through joinu and contracdon joints shall be located and constructed in accordance with the Standard Plans. In the construc6on of through joints, the premolded joint filler shall be adequately supported until the concrete is placed on both sides of the joint. Contraction joints (dummy joints) shall be foaned with a tee baz by first cutting a groove in the concrete to a depth equal to, but not greater than the joint filler material and then worldng the premolded joint filler into the groove. Premolded joint filler for both through and dummy joints shall be positioned in true alignment and at right angles to the center line of the driveway or alley return. After the concrete has been thoroughly compacted and leveled, it shall be floated with wood floats and finished at the proper dme with a metal float. Joints shall be edged with 1/4 inch radius edger and the driveway or alley return edges shall be tooled with 1/2 inch radius edger. The surface shall be brushed in a uansverse direction in relation to the center line of the driveway or alley return with a fiber hair brosh of approved rype. 3-19.3(8) CLTRING AND PRGTECTION 1'he curing materials and procedures specified in Sections 5-05 and 9-23 of the WSDOT/APWA Standard Specifications and Section 3-17.7 of these Specifications shall be used. The driveway and the alley return shall be protected against damage or defacement of any ldnd until acceptance by the Owner. Any driveway or alley retum not acceptable, in the opinion of the engineer because of damage or defacement, shall be removed and be replaced by the contractor. Before placing any concrete, the contractor shall have on the job site enough protecfive paper to cover the pour of an entire day, in event of rain or other unsuitable weather conditions. ' STANDARDS 3-23