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aX in xg in eering (916)366 -1466 F ix;10 tilx Ici<��i It<»ul. Islk (:r(y%'(% OtHrorifln 4M"(Q.34 Feb 5 , 1979 page 2 4 . STREETS - continued Frontage Road No improvement- No d;_rect access except at street "B' and lot 1 . Lot 1 frontage to be improved with type A-3 60 foot R/W half street section without side- walk . Arch Road : a ) Standard A-3 street half section for 84 foot R/W with- out sidewalk . Stripe for one eastbound , two westbound , and one continuous left turn lane . b ) Use 50 foot common drives at the lot lines only . S . STORM DRAINAGE - Normal storm : a ) Property to' the east drains to the southeast corner of subject property and under Arch Road to the drainage channel south of Arch Rd . East boundary of the project will not be changed in elevation and will not adversly affect neighbors . b ) Property to the northeast is high and drains to North Littlejohn Creek . This project boundary will not be changed in elevation . c ) Property to northwest drains to northwest corner of project . Storm drain will be provided to drain this area :.to the existing 5 foot by 7 foot culvert under the freeway at station 183 +00 . d ) The 5 by . 7' freeway culvert will be cleaned for its entire length under the freeway . e ) Onsite drainage will be by underground pipe to storage ponds at the west end of the property . The ponds will drain by gravity and pump , if necessary , to existing 5 by 7 freeway culvert at station 183+00 , with shut off valves to prevent back flow from the ditch west of the freeway into the project , and to prevent drain- age from the project into that ditch while it is over- loaded by storm flow from other areas . f) All drainage facilities will be sized and designed per San Joaquin County slandards . 100 Year Storm : a) 100 year storm flows will flow through the project in the streets and parking lots . The eastern boundary of the project will not be raised or lowered . Present elevation is about 33 .0 . The 600 cfs flood will flow about 0 . 6 foot deep at 0 .4 feet per second velocity as it enters the project .