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Four Seasons 2R-CS040429DEVELOPMENT REVIEW COMMITTEE ENGINEERING COMMENTS ITEM: Four Seasons Addition~ Lot 2R~ (BCE Specialties~ Inc.)~ Site Plan, to allow the construction of an approximate 56,750-square-foot office/warehouse on 4.1 acres of property located at the southeast comer of Sandy Lake Road and Royal Lane, at the request of Kyle McCulIah/MLM Architects, Inc. STAFF REP.: Matt Steer PROJECT ID# SPA-04-0019 DRC DA TE: April 29, 2004 and May 6,2004 CONTACT: Kenneth M. Griffin, P.E., Dir.~ : TA TUS: ,"PRELIMINARY 972/304-3686 Site Plan - 1. Coordinate the 24' fire lane/mutual access easement and median opening with the property on the north side of Sandy Lake Road. Provide an access easement on your property to allow for future extension of pavement onto the adjacent property to the east. 2. Regarding the proposed open drainage along the property line, we need to see topography with your grading and interior drainage plans in order to evaluate whether that will work. See additional comments related to site issues on the plat case. DEVELOPMENT REVIEW COMMITTEE ENGINEERING COMMENTS rTEM: Four Seasons Addition, Lot 2R, (BCE Specialties~ Inc.), Replat, being a replat of Lot 2 of the Four Seasons Addition, to allow the construction of an approximate 56,750-square-foot office/warehouse on 4.1 acres of property located along at the southeast comer of Sandy Lake Road and Royal Lane, at the request of C. Jack Evans, Pacheco Koch Consulting Engineers. STAFF REP.: Matt Steer PROJECT ID# RP-04-0020 DRC DA TE: April 29, 2004 and May 6,2004 C ONTA CT: Kenneth M. Gri~n, P.E., Oir. of Engineering/Public Works 972/304-3686 COMMENT STATUS: ,/PRELIMINARY ~rnr ~ · R ...... ,~FTER P&Z Plat - 1. We need 25' X 25' utility easements in the area of the fire vaults. 2. Our minimum drainage easement size is 20 feet. 3. Adjust the location of the drive approach on Sandy Lake Road at the east line of the property to align with and share the median opening with the property owner on the north side of Sandy Lake. Provide a mutual access easement for the property to your east so they can benefit from the median opening as well. 4. Change the name of Thweatt Road on the plat to Sandy Lake Road. 5. The Coppell Mill Limited Partnership to the east - "Coppell" is misspelled. Preliminary Grading Plan - 1. Drive approach should be adjusted to the west to avoid the inlets, etc. Coordinate with property to the north. 2. Regarding the note that says "Contractor to obtain permission in writing from property owner prior to commencing offsite grading work"...the City will need that written permission before the permit is issued. 3. There is an existing inlet at a low point in Royal Lane where you are showing to construct your driveway. Due to the fact that it is a low point, the driveway should be relocated to avoid the inlet. Preliminary Drainage Plan - 1. Relocate driveway out of the way of the low point inlet in Royal Lane. 2. The Sandy Lake plans we sent over from Teague, Nail & Perkins do not appear to be properly shown, it appears there is 1 O-foot discrepancy. 3. Your driveway locations onto Sandy Lake Road need to be coordinated with the proposed inlet locations for Sandy Lake Road. Sharing of electronic plan files is recommended. Contact Matt Atkins at TN&P's Dallas office at 214-461-9867 to coordinate median opening and inlet locations with him. 4. The timing of this project needs to be taken into consideration with the timing for the Sandy Lake Road widening project. We expect that the road will be under construction beginning in October of this year. If the drainage that is to be constructed with that project is not in place, you will need temporary headwall structures on your outfalls, and some type of temporary bridge structure for your driveways. Alternatively, you can construct the driveways at a later date, but at any rate, coordination is a must for these projects. Utility Plan - 1. There should be a cleanout on the sewer lines where they exit the property into the right-of- way or in a utility easement for access by City crews. 2. The fire hydrant shown to be placed onsite but extend from the main needs to either be extended from the private side of your fire vault or it should be located in the public ROW. Additional easements may be needed and additional comments may be generated during full engineering review.