/7otecting Texas by Reducing and Preventing Pollution ... TABLEl. F-l / Solution cavity Oak Run Parkway water line 30 Street Sta.

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2 TX COMM ON ENV QTY Fa x: Mar :22 P.02...,' -.. :... ~).~~e.t!:~~e,;:q~lan. c'. ';' ". :,.. ", ':.. '.,' "'. ;:HH:,S~:B~~t c!:({a;t:o;mhk_ :.' ',.. ": ". " :.. " :.; ::.TEXAS COMMSSON ON ENVRONMENTAL QUALTY /7otectng Texas by Reducng and Preventng Polluton ' :: " :..,...,. March Mr: EdwardBadouh; Jr..., OakR~ Development odtventure po. BQ:C New Bramlfes. TX '.. Re:. EDWARDS AQuFER, Carnal County PROJECT: Oak Run Estates, Unt 9, Located at the end ofoak Run Parkway 0.5 mles north ofhwy 46; New Braunfels, Texas EAPP ProjectNo : Regulated Entty No. RN nvestgaton No TYPE~. Soluton Feature/Senstve Feature; 30 Texas Admnstratve Code (TAC) 23.5( )(2); Edwards Aqujfa Protector program Dear Mr. Badouh:. HTheTexas Commsson on Envronmental Qualty (TCEQ) receved a plan whch addresses prorecton of,. soluton features encountered durng excavaton n a water lne for the above referenced projectt was submtted.on beb,af ofoak Run Development Jont Venture by S. Crag HoUmg, nc. and receved by the.., _San Antono Regonal Offce on March-23, Feature locatons and assessments are outlned fu Table below. Fnarevewwas completed after addtonal nformatonwas receved on March 26, :! " TABLEl Type ofsoluton Feature Locaton offeature Senstvty* F-l / Soluton cavty Oak Run Parkway water lne 30 Street Sta F-2! Soluton cavty Oak Run Parkway water lne' 30 Street Sta F 3/ Soluton cavty Oak Run Parkway water lne 30 Street Sm * For SCS & Storm Sewerlnes, see TABLE n (enclosed). For other types ofutlty excavatons, "Case" s not applcable.... '....::..., '! J ".' H ' j!. <; ". -'- wly To: RE~ON JUDSON RD. SAN ANTONO, TEXAS ~096 FAx 20" : :-,:. --P-.O-.-B-ox-L3-0...: :A-us-tln-,.r-exas ~7--.J-O-8...: ~O n-te-m-et-...:addr-.:...ess-'-'-;www'-,.,.- ' -...-tce--.s-t3-te-,tx.-.-us-. :- -, - -. :"! lt' r'.ttv Ql '("...~:cl~~ t'lc' "Cr ~ L-; :' l:!'v'j'). t 'l~ ~~' '., q

3 . ~. " :., TX COMM ON ENV QTY Mr. Badouh. March 27,.2007 Page 2 - Fa x: Mar :23 P. 03 /.... A representatve ofthe San Antono Regon offce dd not conduct an on ste nvestgaton. The resoluton. submtted for these featw"es s descnbed n the enclosed. notfcaton letter for Oak RlD Estates, Unt 9. '. ~.. Based on the nformaton provded, your pro~cton plan s approved wth the followng condtons:. The locaton ofthe soluton feature shall be shown OD the "as-bult" plans. 2. The treatment for these three features s adequate for envronmental protecton. However, t wll betbe responsblty of the engneer to desgn for structuralmtegrty of the water man and street.. Should clarfcaton of ths letter be desred or f we may be of any other assstance, please contact Rch Denhammer of OUt San Antono Regonal offce at 20/ Please reference EAPPProject No :. : Thomas G. Haberle Water Secton Manager 'Texas Commsson on Envronmental Qualty THRD/eg '., ';. Enclosure: Table X (Mnmmn Standards for Closmg Soluton Features n Sewer Lne Trenches). Notfcaton Letter for Oak Run Estates, Unt 9 (2 pages) co:. Mr. Bran L. Merrman, P.E., S. Crag Holrng, nc Mr. M~hael Short, P.E., Cty of New Braunf~ls Mr. Tox:p.l{omseth, Comal County!. :.Mr. RQbertLPotts, Edwards.Aqufer Authorty. TCEQ Central Records, Buldng F, MCr22.. ;. ;, ~. ; :. ).; :.

4 TX COMM ON ENV QTV Fa x: Mar :23 P.04,; : TABLEll EDWARDS AQUFeR PROTECTON PR:OGRAM - TCEQ Mnmum Protectve Standards for Sewer Lne and Storm Sewer Trenches (from Edwards Aqufer Gudance Document 9~.004, Effectve 8//98) Case Descrpton Concem Treatment Notfcaton!Appr Oval : ; ; :: :. :..: : : :. ; : :. : j 2 3 S~jtve feantte s less than 0 equal to sx (6) nches n all drectons and s located above the embedment of the ppe. All rock wthn and surroundng the feature s sound SenstVe featute s ether largex than sx (6) nches n atleast one-.duecton OJ: s located wthjl the level of tbe ppe embedment. No port.on of the senstve feature may ntel:sect the plane of. trench foo All rock wthn.and surroundng the feature s gound. Senstve fea.ture ntersects the plane ofthe tralch floor s less than four (4) feet n any decton. All rock wthn and sunouddng..thefratures sound_ Not envronmental nor ppe ntegrty Envronmental No abatement requred. The senstve feature shall be :flled wth concrete. Gravel to " 9'r szed" rock or sacks ofgravel maybeplaced. n feature pror to placement of the concrete as long as a mnmum of eghteen (8) nches of concrete s used to close the feature_ mjnjrmun). Senstve featun: shall be flled wth concrrte. Gravel to «fst szed" rock or sacks of gravel may be placed n fearurcpronoplacementofcodcrete at least eghteen (8) nches of concrete s used to close the fe:atue. The sewer lne or stoml sewer lnes shall be concrete cnca.sed for wdth of the senstve feature p~ a xndrom of fve (5) feet on ether end. The encasementsb.al provde a mnmum. of sx (6) nches of concrete on all sdes of the ppe and shall h<lve a compresson strenglh of at least two thousand fve lnmdred (2,500) ps (28-day strength). The concrete may be steel renforced.. None requred. Requres. notfcaton and pror!'rftten approval from j TCEQ... R e qu res notfcaton and pror wrtten approval from TCEQ. 4 Senstve feature EnvroJlU!. ntal Requres an engneered resoluton at Requres nterects the plane ofthe.& Structural least as protectve as Case 3 above. notfcaton and trench floor and any Addtonal.protectve measures, pro" wrtten openng n trench floor s greate than four (4) feet n any drecton or the ~h float s unstable. ncludng reroutng of ln<;, lloly be requred. approval TCEQ. from All plads sub:r:mlted to the. TCEQ reglonal offce shall have a 6Wled and dated seal ofa Texas lcensed Professl<mal Engmeer. All plans wll be revewed: on acase-b>,~case bass and addtonal protectve measures or addtonal nfotnaton may be requred_.

5 TX COMM ON ENV OTY Fax: Mar :24 P.05.,. _ ","',;. S. CRAG HOLLMG, NC~ CONSULTNG ENGNEERS - SURVEYORS <0 N, SE.GUN S"TR~T NEW BRAUNFELS, TEXAS 7e3~S085 'DAs 00ClTY or P!l~8SONAL ENGNEERS TEXAS 5UFWEYOAS ASSOCl non.. Ao~CAN SOCETY OF CMl E"'GNEERS TELEPHONE: (830) FAX, (8S0J 62S-~6 March 22, 2007 WAER SYSTEMS S ~R SYSTEUS SueD\lSONS ~ LANO PLANNNG ST'tEETS SURVEYNG ; ~.' ';. Texas Comsson on Envronmental Qualty,.EAPr ~ Sap Antono Regon 4250 Judson Road San Antono; Texas 78233,.,.;. ' RE:, Not.fcat(:mofS()~utop. Cavty. OakRunSubdvson Unt 9._... To Whom t May Concern:.., " :. Please,be advsed that on March 9th., 200,7 a possble recbarge feature was dscovered.. durng constructon ofthe above referenced project, Telephone notfcaton was made to. Mr, Zach Lan:f~ oflhe TCEQ'sSan Antono regonal offce onmarch 9 h, Constructon actvty was hahed n the mmedate area ofthe fc:ature_ f o~ R'lll Unt 9 s a sngle famly resdental subdvson that s a part ofthe Oak Run ".,..':.. --,"... DeVelopment that~. ~een ongong snce 983. Please seethe attached Water Polluton ; " ; Abatement Approv:a,lfrom the Texas Department ofwater Resources dated December...' 5 th, 983;.n addton; please fnd attached the SCS plan approvaj letter from the TCEQ :; J, dated May3st, j,.,. :.-. The loc(ton ofthe feature s along a proposed waterlne that s under constructon n O~ :'.. : " '. RWlParb\Tay,Please see a copy ofthe.ste plan that was ncludedr the SCS. : : applcaton. have ncluded an assessmentfrom Mr. Boyd Dreyer ofgeoconsul who perfonned;the geologc assessmen.t for the SCS applcaton. He has ncluded a narratve, ".ste map, TCEQ Fonn 0585 andtbree photos.! ",!, J " Thefeaturestrre locatedalong the waterlne trench near the surface as descrbed n the.. geologst's assessment, Ths area s located n the rght-of-way for the,extenson ofoak Run Parkway; Accordng the assessment these features have an evaluated senstvty of and a catchment areaofless than.6 acres.., f.. -. :, :. '., '. '.

6 TX COMM ON ENV QTV Fax; Mar :24 P.06, : : h...r"''''~' proposng the fu features wth natural backfll..."'u... that came waterlne as recommended by the Geolog~. ".,. : ',. ': ',,

J. Build new homes only on lands that are most suitable for development and associated wells and septic systems.

J. Build new homes only on lands that are most suitable for development and associated wells and septic systems. ~ Conservaton Areas are the frst areas to be dentfed when desgnng the subdvson. Development Areas are dentfed only after Conservaton Areas have been desgnated. The applcant and the Plannng Board shall