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HomeMy WebLinkAboutGrading Review for GRD2005-00019 - GRD Inspections - 8/15/2005 MASON COUNTY PUBLIC WORKS DIRECTOR/COUNTY ROAD ENGINEER O T Shelton,Washington 98584 N v sIN DATE: Aug. 15th, 2005 INTER-DEPARTMENTAL COMMUNICATIONS TO: Tami Griffey,PAC—Bldg Inspector FROM: Alan A. Tahja, P/W- Co. Hydr. Engr. WO#BLD-05 SUBJ: Grading Review NAME:Nelson g 50 NE Tima Rd-Belfair GRD2005-00019 The grading plan prepared for the proposed Greg Nelson"yard leveling"to be performed at 50 NE Tima Road, Belfair,has been received and reviewed by Public Works. The 400 cubic yards of grading appears to be a reasonable estimate. Review of the site plan and Land Modification Permit Application lead to the following areas of concern: 1) Fill receiving areas need to be cleared of vegetation and deleterious materials before any fill material may be placed. The finished fill slope needs to comply with building department grading standards(maximum 2:1 (H:V)fill slope), including setbacks from neighboring properties. 2) Stormwater runoff from the developed property should be dispersed into naturally vegetated areas wherever possible. Erosion and sediment are required to be controlled onsite during construction.Neighboring properties are required to be protected from potential adverse stormwater runoff impacts associated with construction activities. 3) The site plan submitted for review indicates an area with an"Erosion Control"label, and a dimension which appears to be a distance to a property boundary. Installing a silt fence or other barrier along the"Erosion Control" line on the drawing may not be needed if the distance between the property boundary is 100-feet, and has vegetation covering the area. Such a vegetated distance could be employed as a natural vegetated buffer that may eliminate the need for addition protection of neighboring properties. 4) The site plan indicates that the fill area is intended to receive"Will Reseed"treatment. This is supported,but during the period between grass seeding and growth,the bare soil needs to be protected from rain impact and runoff. In addition to applying seed to the newly filled area, the bare area should be covered with a layer of mulch,plastic, straw or hay, or other temporary cover which will protect the bare soil from rain impact, hold moisture to help the sprouting grass grow, and provide shade to help the new grass establish itself. I feel these concerns can be addressed as conditions on the grading permit. Please feel free to contact me at County extension 461 if you have any questions regarding these comments,or if you feel any features need further discussion or attention. y / File: H:\WP\Grading\Nelson.doc VVVMr% VKUtK - PUBLIC WORKS DEPT. (E)Work Order equ{,�ed by: - � Number: _p5 A*dr&ed b Date: ARGE a 15111, c�QN�Q�:H : AGE OXOADDRESS OCPub. ONE Works Person in Charge: -. ::v.{::'i?:::::`::'^;:'•:••:$,v.:ii\::.'�"r.\•Tti�f:St•^:{^iySF.'^tiii.:n]M:.`•}�4v'e:i\Ati}Y:•.•!•:{.y:`n•k}J.:F..r:L.•-}i.+:;�. i , .:...'-:.'.+''-..{\..:r..:}:•}>iii::1.i}}:{i::•isi•:<r,¢•.4:}:•.6}};}}v,,.}-.•:;:},+r{ir:. (c) Project Time Une• (from-to dates K�e. TO Pro)ect Start date: l S Estimated Fkft Dab: AppmWmde hms: + ESTIMATED TOTAL$,S: j jn Z Z COST ESTIMATE IDl �t4 - EmPloYes !Rait HUM Subtotal Frhwe% TOTAL$ gr zz Vd . sib¢ Bey€EQUIPMENT USED. TOE MATERIAL USED: -- NORM tFl Actual cost = BARS: PRO.I IF. DATE WORKED 4 1bms SubtaW TOTAL$ EQUIPMENT USED: ' l ! at TOTAL MATERIAL.USED: ' v (G) BILLED DATE TOTAL ALL INV= PAID DATE REC.d CKt