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Item 8 - Site Suitability Analyses for Septic Systems • l Jamesa Sj. P . E . Gei o eC ► n1 Ca 6935 CRAIG ST, FORT WORTS{ , TEXAS 76112 Engineer 817-429-2346 6 Sep 19 Shelter Solutions P.O. Box 93150 Southlake, Texas 76092 ATTN : Kevin Northcutt Re: Proposed Effluent Disposal Design, On-Site Surface Application, Noi-th one-half of 1425 Randol Mill Avenue. Cite of Southlake. Tarrant County. Texas Gentlemen : This letter and attachments vv,ill serve as the design document for the installation of a proposed effluent disposal field 1 P p design at the above referenced site. Prior to system installation. this report shall be submitted. p to the Tarrant County Health Department (TCHD), Environmental Health Promotion. 1 l0I South Main Street. Suite # ~ulte 2300. Fort Worth. Texas 76104 (817-321 -4960.) for review, and permitting. Recommendations contained herein are representative of those resented in the Texas Commission on Environme ntal enfial Quality (TCEQ) document Title 30, Texas AdnZinisti"crtll;e Code, Chapter 285 On-Site Seivaae Facilities.aczlrtres , effective 29 Dec `16. A copy of Title 30 TAC Chapter- 285 is available from the TCEQ. Austin. Texas. This design is representative of the current "State of the Art" in effluent s disposal system design. It p g should function Within normal limits and expectations �N•ithout caLising significant threat or harm to existingsupply water pp ` SySteI11S. the public health or the threat of pollution or nuisance conditions. Hoi,vever, dzie to the vagaries o both nature and j no 1vajAjAanty of this desi!Zn per-foi,tnance is expressed oi- implied Approximate location of the proposed 9.900 square foot residence nine-bedroom design equivalent) i ��( �. � ) s shown the System Layout (Plate 41 ). "Water saving devices" are to be installed in this residence. reducingthe estimated ated loll` flow from 750 gallons/day to 600 gallons/day. The area proposed for effluent dispersal is moderately wooded. Site slope in the cy disposal area is enerall proposed P �. 5 less than 15%. No water wells are located on or near the site. A Site Evaluation was conducted as recommended in §285 .30 (Site Evaluation of the aforementioned TITL E 30 TAC CHAPTER 285) and is included as Plate ` 1A . In order that the site be used efficiently. it NN•-lll be necessary that the limits of the a licatlon area b pp e located ten feet ( 10 ') from the property lines (cf Plate = 1 ). thus a "commercial irricration tinter" shall control pump Purn o elution f cf TITLI; 30 TAC CHAPTER 28. 285 .33 (d)(2)(G)(i) J . s Based upon these data the site may be deemed suitable for the installation ' - o f atreated surface facc discharge ar gc disposal system. The following paragraphs will address the requirements of TITLE 30 T.4C � � �° ' � C`I�-1PTER � 8� as previously rousl} cited. APPLICATION REQUIREINIENTS (a) Technical Report: 1 - Basis of Design - The following design parameters have been utilized : 1 ) Daily Flow = 600 gal lops/dav (average) 2) Sewage Application Rate ( See Figure #. 1 , TITLE 30 TAC CH,4PTER 285 0.064 gallons/square foot/day 3) Minimum Required Application Area = 9.375 square feet 4) Wastewater Treatment Type = Proprietary, 1 isted on the TCE list o fa roved Q �p� slstelns (available from the executive director, TCEQ) 5 ) Uniform Application of Effluent = to be provided by sprinklers ( impact •' J. p � p or gear driven cn rotary design ) having a maxirnurn inlet pressure less than or equal to 40 psi. Low angle < 1 p � ( 15 degrees). non-aerosol nozzles shall be used. 11 - Construction Drai,isings - Not required for Proprietary systems. III - Calculations - Daily Flo«; = 600 gallons/daN, Set,N-age Application Rate = 0.064 gal/sf/dav Required Area = 600/0.064 = 9.375 sf ✓ # of Application Areas = 3 (c 32.0 ' radius = 9.651 sf Gross Application Area = 9,651 sf NOTE: In accordance with the provisions of §285 .33 . c) 2 ) E) ii of TITLE 30 TA( ( ( ( ) C CH.4PTER 285, the circular spray patterns on this site overlap. The net area effectively covered will be in excess of 9.375 square feet. IV - Systejn Flow Diagrain - see Plate =1 (b) Site Drawing - See Plate TT W Landscape Plan - The area to he irrigated by the system is sho`N-11 oil Plcite � 1 . Br u�11 shall be cleared . and low hanging branches (say less than 10 feet above the around shall be trimmed. - �, ) mined. un �- egetated areas shall be sodded or seeded «-ith an appropriate grass type prior- to s Ystern start-up. Before } s ystern p � start-up, the vegetation shall be capable of growth. There shall be nothing in the surface application area within ten feet of the sprinkler «which will interfere � ith the uniform application of pp effluent. (d)l(e)/(f) Maintenance Requirements/Maintenance Contract/On-going Maintenance - Prior to s g g system stem operation an acceptable maintenance contract must be in effect between the system owner and a valid maintenance company. All maintenance contract requirements shall meet the minimurn requirements set forth in §285 ,7(paragraphsq d. e. f) of the previously cited TITLE 30 TIC CHAPTER 285. (g) It should be noted that paragraph (g) of �285 . 7 requires that an "Affidavit to The Public" be on file with the County Clerk' s office and added to the Real Pro ei p � Deed for the property on which the system is located. An example of such an Affidavit is included in TITLE 30 T4C CH,4PTF R 285 (ef §285-90, Figure 2). (h) Testing and Reporting - The maintenance company em lo`�ed shall inspect the s vste � , ' the P P ti in as directed I acted b� Testing and Reporting Schedule as included in TITLE 30 T4C C114PTER 285 cf §285 . 91 Table IV). A I•ecommended Sand-gle Testing and Reporting Recol-cl tbrin is included in TITLE 30 TAC CHAPTER 285 (cf §285 . 90. Figure 3 ). The maintenance conlpany Shall report any responses to homeowner complaints and the 1 rn p e results of its aintenance findings to the )~arrant County Health Department (TCHD). Environmental Health Promotion within ten days of the specified reporting frequency. 1 i I _1 ;i j (i) Effluent Disi if t`ection - Treated Effluent shall be disinfected prior p to surface application. _4 .Vrrtlona1 .St Wlatton F( un,(Iat f11 dai,d 46 Disinfection Device Is i-eL tttl-e(l. The �, efficiency of the disinfection procedure will be established b monitorinQ either the chi i . Y �. chlorine residual or f ecal coliforn� j count fr•0111 rept•esentative grab samples as directed in TITLE 30 TAC, CHAPTER 285 of §285 . 9 1 ! I Table IV ). ;l li f r is AT F11Z :A\ I l Prevention of ZOnauthorized Access to Oil -Site Sewage Facilities (OSS s - ' ' The methods and materials employed to prevent unauthorized access to this r I 30 Tc� _, � , proposed OSSF shall ct�Iz�pl} with TITLE C HAPTER 285 §285 .38 . i I i Pre-Treatment Tanl� - Install a 750 gallon minllllum VOI � - i( time ) Pj e 1 eatj��ent Tank prior to the treatment unit to collect non-biodegradable solids. Treatment Unit - As previously specified, the Treatment Unit shall be included • 'on the aforementioned list o - approved systenzs. The unit shall have a minimum daily capacity of 1 ,08() gallons. Pump Tank - A 1 ,000 gallon or greater gross volume (volume from the tank bottom to the tank- r inlet) tank may be utilized for the pump tank The tank shall have one dav's effluent - , I' ; ,• .. t flo � storage capacity (600 gallons) betN��een the g ) pump-on" and "alarm-on' levels and a one-third of a da y's effluent flow excess storage (200 � capacity gallons) above the "alarm-on" level and the inlet flow line. The pum tank shall be laced downstream' 1 P p from the treatment unit and � shall store the treated effluent lentil a surface a � ��i application cycle is chosen. In the event that the pump-on level In the tank does not allow the s ecif lc !) � p � volumes, a larger tank shall be installed. I 1 , Waterproofing, Backfill Around — • g ound Tanks Tanks shall be waterproof. Risers shall be provided on the ' tank tops to permit access for tank pumping or pump maintenance/re laeemen t. A IY1rnil71un1 Of four (4) inches Of Sand, sandy loam, clay loam or pea gravel. free of rock larger than 0. 5" diameter shall b i� g e placed under and around all tanks. I� Class IV soils and gravel than "an 0. 5 diameter shall not be used as` l l backfill material . f 1)es and Fittings - Schedule 40 PVC pipe shall be used in the installation. All distribution i in ttt 1(I p P g� t l gs, valve covey boxes and 1•inkler tom shall be ermanentl colored is le in order to ide � w reclaimed iva eh system. y p p ntl the syst�.»z as a � eclainzed , A union connect*on should be installed In the su IN line to roN lde foi� ui l p p p p maintenance/replacement. Three-c barter inch or one inch PVC. as required to provide adequate pressure,/flow. � � �1 q p shall be used to suppl` the individual sprinkler heads. Pump, Float Controls and Alarm System - The um may be of either submersible I pump b e or non-submersible type, capable of producing a minimum flow of 20 gallons/minute at between 35 and 40 psi . Pump c 'p p controls Should Include a manual over-ride to turn the pump on/off and a high water alarm/ um activation U . g p p t atron system (utilizing a separate '1�1e1•ctir� " float switch, on a separate circuit from the pump system and connected to a lacarded warm 'p warning light/audible alarm located , in/on/nearby the�1 residence in a location which w' 'Ill draw attention to pump failure. This alarm switch should be set at the 750 gallon level in the P11111p Tank in order to provide a small emer enc v c > J p g � apacit� ( 1 � 3 the dailti effluent flow) until system repair is effected. All electrical connections shall be made outside the pumping chamber. j �i Electrical Wiring — All wirin2 shall conform to TITLE 30 T4C CHAPTER 285 (cf §285 .34 c . Commercial Iri�ig�itic� Q� "t'i �ner - As previously.' mentioned. a ��cOlZllnerclal irrigation �I i I ration timer" set to s rav betNveen midnight and 5AiN/1 sha11 c011trol Pump operation. Sprinkler Ty i'pe - Sprinklers shall be as designated above under Basis o 'Desi n Item #5 . Rainbird sprinkler `� ( ) Maxi Paw p kler heads (or equivalent), adjustable for effluent deliver rates rav radius a . � _ y , p � us and central spray angle are acceptah 1 e. �pl�irikler heads placed at an elevation greater than the pump tank shall he provided with check valves gives to prevent return o l' effluent to the pump tank. i �,VMer- Softener — If so equipped the residence water softener i-nL1St comply with TITLE 30 TA CHAPTER 285 j � '_1. 85 .37. In accordance with this paragraph, the water softener- drain line must bypass the treatment system and Connect directly to the pump tank. i a SY TEL ,NI :1NrS ll ALL: 110N If li I i 1 ) Prior to OSSF installation. lot lines shall be located so as to insure accurate placement of the proposed i p p posed OSSF. I 1 '1 i. 4 I� �) 1 rior to OSSh installation, all underground utilities shall be located and staked. I 3 ) The Ti-eatnzent Unit, Pre-Treatment and Pump T k� and a n� � an d distribution 5V stem shall he Installed approximately as , shown on Plate #1 . All supply lines shall be placed a minimum of 12 inches below grade. i SY STF',M N 'i' -A j' N_F ; i;' ,`\ N E i In addition to the aforementioned effluent quality maintenance requirements, the folloNN:in procedures are ! g p recommended: li 1 ) System operation and maintenance should be in accordance with the manufacturer's recommendations. i li 2 Sludge accumulation in h i, ) the tanks should be monitored and pumped as re lilred. i , q li 3 ) Pump and control operation (including alarms) should be checked annually. i i I CDDANI-0,41' D FOND FriON' S : i In the event that construction activities reveal an , conditions which might call the validit these ' I� � y of these, recommendations into question, this office shall be notified so that the conditions rnav be evaluated as to their effect upon this design. � - p g „ I trust that this desi cy-n Nvi 11 meet the requirements of your site. If you have any questions. or if I may be of further service, please call . -)F I I� I TE10 y • Sincerely . eve it T .•• .I: i • • It i James M. Sims, P.E. �, •• .� Firm Reuistration # I F-4`291 S2 I �1 I II I �j i 11 1 it I ! I 1 i I� I ;I I ,j II I� �r li i! i 1 I li I �l I, i1 l a ,I 1 I; i. j r 73 cs� 0 L Q � U � - Q U C-3 . N � m � o \ a (� U O .� O O `'' O T v Ln V -E O Jz� Ln si o._ Q� 75 • , U v � — � o � r1 _ 4 ' • ; C'Q � m e+• C � 1 , ' t �1k 73 O �•�( O W N co p �7 U 11 �. .r' (3-� CF") E N Jis �i O cv 300 Ln Ln 0 z Randol Mill Avenue, z (North Bound) a Randol Mill Avenue, 5Y5TEM LAYCUT (south Dound) C2 Ln PLATE # I N Site Evaluation Report Date 3_2ef 10 Applicant: Name Shelter 5olution5 ATTN : Kevin Northcutt 8 1 7-988-— 7 Street or P. O. P. O. Box 93 150 Phone 8 6 Box City Southlake Tex � State a� Z►p 76092 Property Location : Lot Bock 5ubdIV151on -- Street Addre55 North one-half of 1 425 Randol Mill Avenue Unincorporated Area X (or) City Additional Information Schematic of site (reflecting the follow►ncj :) Compass north, adjacent streets, slope, property lines. Q2 Location of Site evaluation borings. © Location of existing or proposed water wells. ® Location of drainageways, streams, ponds, cut/fill areas, existing t proposed build►ngs. 5Q Additional pertinent information: SEE PLATE # I Owner reciuested Aerobic. Surface Application 055F. Site Evaluation KC,50t5 05 E- i General Site Notes: Dep th SOII Type, Soil Class Suitable (5) Total site area I . 5 (acres) (feet) (USDA) (TCEQ) UnSu►tabl4U) �) = +/- 0. 0' to 2 .0 Red-brown (Z Proposed depth of 055f excavation 3 . 0 (feet) Sandy loam I I 5 30 Restrictive horizon present ? NO ® Depth to restrictive horizon (I f Pre5ent) f-- ( eet) Presence or evidence of groundwater ? NO © Ex15ting or proposed well within 100 feet of 055F ? NO (If yes see schematic for location) 0 Estimated slope in 0551' area ( 17o) 8 % U8 Presence of nearby onds , streams drama ewa p � g ys .? No OSE- 2 ® Significant trees/undergrowth in 055>= area ? Moderate Depth Soil Type Soil CIasS Suitable (5) O Is the OSSF in a FEMA designated 100 year floodway ? NO (feet) (USDA (TCEQ) Unsuitable(U) I I Comments: 0. 0' to 2 .0' Red-brown 5ub5oil from on-site excavations. 5andy loam I I 5 Overall 51te, Suitability Q 5oi1 Criteria U (5)u►table / Mn5u►table --F 5►te Criteria 5 (5)ultable / (U)n5u►table Notes: CD It shall be noted that the test data and other information contained in this Attested by: report does not guarantee or imply approval or performance of the proposed 055F, The Q Si design, construction and �nstallat�on of each 055E �s based upon specific Signature: installation peculiar to the site In uestio James M . Sims, P. E . Ge technical En sneer 3 In the � p a- n . Q e event that construction act.;v►t►es reveal any conditions which might Texas Registration # 7761 call the val►d►tv of this site evaluat,on into uest►on, th►5 offi ce ce shall be � 6935 Crag Street, rt Worth , Texas 7G 1 1 ' not►f►ed so that those conditions may be evaluated as to their effect upon the 817-429- ?346 (office) 1817-45 I -2019 (fax) ccnclu5►on5 represented in this site evaluation . p jminorsim5 , hotmoil . com (email) g) This report must be- submittecd to the Parker County Health Dcf2artmcrit, Firm Kegistrgtlon # 1~-4282 1 1 14 Santa Fe. Wenther4orJ. Texas 7608 (8 1 7-598-c ) 75) for and permitting. a-- r NNW so 1 id'n'&,mes ivi S �. 6935 CRAIG ST, FORT WORTH , TEXAS 76112 E n g 'i n e r 817,429-2346 6 Sep 19 Shelter Solutions P.Q. Box 93150 Southlake, Texas 76092 ATTN : Kevin Northcutt Re: Proposed Effluent Disposal Design. On-Site Surface Application. South one-half of 1425 Randal Mill Avenue. City of Southlake, Tarrant County. Texas Gentlemen : This letter and attachments kvill serve as the design document for the installation of a effluent disposal field proposed 1 � d design at the above referenced site. Prior to system installation. this report shall be submitted. p to the Tarrant County Health Department (TCHD), Environmental Health Promotion, 1 101 South Main Street. Suite # 2300, Fort Worth. -Texas 76104 (817-321 -4960) for review and n ermitti . P � Recommendations contained herein are representative ol' those resented in the Texas Commission on Environmental a p E 1 Ironmental Quality (TCEQ) document Title 30, Texas Administi-ative Code, Claptei- 285, On-Site Sowage Facilities. effective 29 Dec 16. A copy of Title 30 TAC C_'ha ter 285 is available from the .� e TCEQ, Austen. Texas. This design is representative of the current "State of the Art" in effluent disposal s-ysteni design. I 'l �, t should function Within normal limits and expectations without causing significant threat or harm to existincy Water supply systems. h �. P P � the public health or the threat of pollution or nuisance conditions. Hoit,eveir dire to the , vagaiies o both n, atifl e aj1Cl j7ZCln, no YVay"haj?tV of tj1lS deslg pe1^foi-manse is e Loi,-essed oi- Implied. Approximate location of the proposed 9,950 square 1bot residence nine-bedroom design equivalent) is shmvn on t( g q ) the System Layout (Plate # 1 }. "Water saving devices" are to be installed in this residence. reducingthe estimated dail ti flow frorn 750 gallons/day to 600 gallons/day. The area proposed for effluent dispersal is moderately wooded. Site slope in the proposed disposal area is generally less than 15%. No water wells are located on or near the site. A Site Evaluation was conducted as recommended in �285 .30 (Site Evaluatioi? of the aforementioned TITLE 30 TA .' CHAPTER 285) and is included as Plate .' 1 A . In order that the site be used efficiently. it will be necessary that the limits of the application area be located ten feet ( 10 ') from the property lines (ef Plate =# 1 ), thus a "commercial irrigation timer" shall control pump operation eration ref TITLE � p � 30 7,AC CHAPTER 28-) §285 .33 (d)(2)(G)(i) } . Based upon these data the site may be deemed suitable for the installation of a treated surface s discharge, di'. Zt7 disposal system. The following paragraphs will address the requirements of TITLE 30 TAC CHAPTER 285 as previously ousl} cited. APPLICATION REQUIREMENTS (a) Technical Report: 1 - Basis of Design - The following design parameters have been utilized: 1 ) Daily Floe- = 600 gallons/day (average) 2) Sewage Application Rate ( See Figure # 1 , TITLE 30 T.4(' C1-111PTER 285 = 0.064 gallons/square foot/day 3 ) Minirnurn Required Application Area = 9,3 75 square feet 4) Wastewater Treatment Type = Proprietary, listed on the TCEQ list o a y�oved syste��zs (available from the executive director, TCEQ) 5 ) Uniform Application of Effluent = to be provided by sprinklers ( impact or teal• driven rotary ' �. design) having a maximum inlet pressure less than o- p requal to 40 psi . Low angle < 15 degrees), non-aerosol nozzles shall be used. 11 - Construction Dralvings - Not required for Proprietary systems. III - Calculations - Dail), Flow = 600 gallons/day Sewage Application Rate = 0.064 al/sf/day g - Required Area = 600/0.064 = 9,375 sf # of Application Areas = 3 .1c 32.0 ' radius = 9,651 sf Gross Application Area = 9.651 sf NOTE: In accordance with the provisions of § ? 85 . 33 . (c)(2 )(E)( ii ) of TITLE 30 TAC CHAPTER 285. the circular 5 pIav patterns on this site overlap. The net area effectively covered will be in excess of 9.375 square feet. 1 V - System Flow Diagi-ain - see Plate ;;; I (b) Site Drawing - See Plate 41 (c) Landscape Plan - The area to be irrigated b} the system is shown on Plate =�1 , Brush shall be cleare d and low hanging branches (say less than 10 feet above the ground) shall be trimmed. un-vegetated areas shall be sodded or seeded with an appropriate grass system type prior to system start-Lip � . Before stem Start-up. the vegetation shall be capable of growth. There shall be nothing in the surface application area within ten feet of the sprinkler which will interfere with the uniform application of effluent. (d)/(e)/(f) Maintenance Requirements/Maintenance Contract/On-going Maintenance - Prior to s -,stem g g } operation an acceptable maintenance contract must be In effect bet«,-een the system owner and a valid maintenance company. All maintenance contract requirements shall sleet the minlnlLlm requirements set forth in §285 . 7(paragraphs d. e. 0 of the previously cited TITLE 30 TA � p c C'H,-r P TER 2 - � �� . (g) It should be noted that paragraph (g) of �285 . 7 requires that an "Affidavit to The Public" be on file with the County Clerk' s office and added to the Real Pro erty Deed for the � 'p " e property on �� h ic,h the system is located. An example of such an Affidavit is included in TITLE 30 T..4C CHAPTER 2. S (cf §285 .90, Figure 2). (h) Testing and Reporting - The maintenance company employed shall inspect the s�7stem as directed b,\- the Testing and Reporting Schedule as included in TITLE 30 T.-1 C CHAPTER 285 (cf §285 .9 1 . Table IV). A recommended Sample Testincy and Repoi•tino, Record form is included in TITLE 30 TAC CHAPTER 285 (ef §285 .90. Figure 3 ). The maintenance company shall report anti responses to homeowner ' p - p complaints and the results of Its maintenance findings to the Tarrant County Health Department (TCHD), Environmental Health Promotion within ten days of the specified reporting frequency. ii i 0 ) Effluent Disinfection - Treated Effluent shall be disinfcct `d prior to surface application. A National j Sanitation I'mindation (NVFj stant'lard 46 Disilt E'C'llon DDyke is 1'ej iirell. The efficiencN, of the ;l disinfection procedure be established by monitoring either the chlorine residual or fecal coIiform count from representative grab samples as directed in TITLE 30 TAC C1-1,4PTI_--R 285 (ef §285 .91 , Table IV). is M ."kTERIALS A -ND i{;9tJIPN__ N I tl'reN,ention mi U nntithorized Access to On Site Sew,11 " e y �161i 'ri � S ( sh A s) - The methods and materials employed to prevent unauthorized access to this proposed OSSF shall cornpl`, With TITLE .30 TAC CHAPTER 285 §285 .38. 1 i Pre-Treatnient Tank - Install a 750 gallon (minimum volume) Pr�0-T4eatnient Tank prior to the treatment unit to collect non-blodeg actable solids. i Treatment Unit As previously specified, the Treatment Unit shall be included on the aforementioned list o approved systems. The unit shall have a Inininium daily capacity of 1 .080 gallons. uin1) Tank - A 1 ,000 gallon or greater gross `'olume (`,olume from the tank bottom to the tank inlet) tank may be utilized for the pump tank The tank shall ha`-e one day's effluent flow storage capacity ( 600 gallons) between the "pump-on" and "alarm-on" levels and a one-third of a days effluent flow excess storage ca acit 200 arallons above the "alarm-on" level and the inlet flow line. The pump tank shall be placed downstream from the treatment unit and shall store the treated effluent until a surface application cycle is chosen. In the event that the le��el in the "pump-on" � tank does not allow the specified Volumes. a larger tank shall be installed. I .Q'd� R, l� Waterproofing, Risers, Backfill Ar0UHd 'Tanks — Tanks shall be waterproof. Risers shall be provided on the tank taps to permit access for tank pumping or pump maintenance/replacement. A minimum of four (4) inches of sand, sandy loam, clay loam or pea gravel. free of rock larger than 0.5" diameter shall be laced under and around all tanks. 1 p !I "G Class IV soils and ravel larger than 0. 5 diameter shall n a s i � g of be used a backfill material. l I #!# Pipes and Fittings - Schedule 40 PVC pipe shall be used in the installation. All distributiOI7 plplrZ,(Y, , lttilIGIS, Valve f+ ,j �i Cover boxes able/ Sprinkler tops shall be per-manently colored purple in order to identi6, the systein as a reclaimed 1 ivater s steni. A union connection should be installed in the supply line to provide for pump maintenance/replacement. Three-quarter j inch or one inch PVC, as required to provide adequate pressure/flow, shall be used to supply the individual sprinkler 1c;alls. ,; i 4 i Piinij), Float Controls and Alarm System - The pump may be of either submersible or non-submersible type. capable of producing a minimum flo«, of 20 gallons/minute at between 35 and 40 psi. Pump controls should include a manual i; over-ride to turn the pump on/off' and a high water alarm/pump activation systern (utilizing a separate "inercur) float switch, on a separate circuit from the pump system and connected to a placarded warning light/audible alarm located in/on/nearby the residence in a location which « ill draw attention to pump failure. This alarm switch should be set at i' the 750 gallon level in the Pump Tank: in order to provide a small emergency capacity (> 1 /3 the daily effluent flow) j until system repair is effected. All electrical connections shall be made outside the um inp- c:l-iamber. � p p � �i .I Electrical Wiring — All wiring shall conform to TITLE 30 TAC CHAPTER 285 cf §285 .34 c . Commercial Irrigation - � �� , �� �I igation Timer As previously mentioned. a commercial irrigation timer set to spray between � midnight and 5AM shall control pump operation. i 1 i Sprinkler Type _ Sprinklers shall be as designated above tinder Basis of Design ( Item #5). Rainbird "Maxi-Paw" I Sprinkler heads (or equivalent), adjustable for effluent delivery rate, spray radius and central spray angle are acceptable. Sprinkler heads laced at an elevation greater than p p g t a the pump tank shall be provided with check valves to prevent return � of effluent to the pump tank. (l I� i Water Softener — If so equipped the residence water softener must comply with TITLE 30 T.4C~ CHAPTER 285 §285 . 37. In accordance with this paragraph, the water softener drain line must bypass the treatment system and ii connect directly to the pump tank. i% ;t NYSTF: 1 INST - UATION 1 ) Prior to OSSF installation, lot lines shall be located so as to insure accurate placement of the proposed OSSF. E f 1 4 I, i + 2) Prior to OSSF installation, all underground utilities shall be located and staked. I I j 3) The Ti-eatnwnt Unit, Pre-Ti-eatment and Pump Tanks, and distribution system shall be installed approximately as p� y shown on Plate #L All supply lines shall be laced a minimum of 12 inches below + pp Y p grade. � ._ YSTL N li I II In addition to the aforementiorl I'ed effluent quality maintenance requirements. the folio«�ing procedures are f' recommended: 1 ) System operation and maintenance should be in accordance with the manufacturer's recommendations. li 2) Sludge accumulation in the tanks shoLild I)c monitored and pumped as required. 3 ) Pump and control operation (including alarms) should be checked annually. CONDITIONS' : I; 1 t In the event that construction actiN ities reveal any- conditions which might call the validity of these recommendations , into question. this office shall be notified so that the conditions ma ` ° I� a� be evaluated as to their effect upon this design. II I trust that this design will meet the requirements of your Site. If vou have and- questions. or if I may y be of further service, please call . i 1� T EXA ` 1 Sincerely . �. ... .. .. � I James M. Sims, P. E. ;{ ( Fit ni Registration # F-4282 I, 1, 'I I I I I I, I� 91 I� i i :I II I fl 'f i i .I �I �i ( �I I, I it i� i it f :I I �i I it I j II �; li .I l II I I ,j 161 ' �`60 . ca o � L In C4. O N E O C - Q >-, O � E� C Z /no J c QD E _ O O FLn— � Ln O O CO U Q� V - O Ln O 4� x E 77 O o O O M �- 0 0 � (\j 73 U ca N O 4� O -,z Ln Q5 cmLn ELI T o (n M . x _U j 4� Cn C� N 4-1 r Ln lJ J• • / Q- t • . .IV � �� , fir"•' r r Y � 1' • 4t * • Q� • Cn S= 0 Kandol Mill Avenue, z (North Bound) Q Randol Mill Avenue (south Bound) 5Y5 EM LAYOUT Site, Evaluation Report Date 3 Sep 19 Appl=cant: Name Shelter Solutions, ATTN : Kevin Northcutt Phone 8 1 7-988-287G Street or F . O. Box P. O . Box 93 150 City 5outhlake Texas State Zip 76092 Property Location: Lot -- Block -- Subdivision -- Street Address South one-half of 1 425 Randoi Mill Avenue Unincorporated Area X (or) City Additional Information chematic of site (reflecting the following :) G Compass north, adjacent streets, slope. property lines. Q2 Location of 51te evaluation borings. 3 ' ocation of existincj or proposed water wells. ® Location of drainageway5, streams, ponds, cut/fill areas, existing * proposed buildfing5. © Additional pertinent information: SEE FLATE # I Owner requested Aerobic, surface Application 055r. Site Evaluation Ke5ult5 OSE- I General Slte Notes : Depth � So I Type, SoiI �,�ias5 Suitable (S) Total site area . 5 (feet) (USDA) (TCLEQ) Un5uitabl4U) = +/- I (acres — O . 0� to 2 .0� Red-brown Q Proposed depth of 055f excavation 3 . 0 (feet Sandy loam 11 5 Restrictive horizon present ? NO Q Depth to restrictive horizon (If Present) -- feet -! © Presence or evidence of groundwater ? -- NO © Exi5ting or proposed well within 100 feet of 055E ? NO (If yes see schematic for location) C Estimated slope in 0551' area ( %) 8 m� ® Presence of nearby ponds, streams, drama ewa s ? N -� 9 y �.. OSE- 2 S Significant trees/undergrowth in OSSF area ? Moderate Depth� Soil Type 5011 Class 5uitable (5) O 15 the 055E in a FEMA designated 100 year floodway ? NO (feet) (USDA) (TCEQ) Unsuitable(U) 11 Comments: 0. 0' to 2 .0' Red-brown `SUbSo;i from on-site excavations. 5anc;ly loam I l 5 Overall Site Suitability G Soil Criteria U (5)ult2ble / (U)nsultable Q Site Criteria 5 (S)ultable / (U)n5u1t3ble Notes: 0 It shall be noted that the test dato and other information contained iri this Attested by: report does not guarantee or imply approval or performance of the proposed 055F. 0 The de5i n, construction and �nsta!! � Q Signature: condo , 9 at on of each 055E 1s ba5ed upon Specific t ons peculiar to the Site ,n question . James M . Sims , P. E . , Geotechnical Engineer 30 In the event that con5truction activities reveal an condo �v y tons . hich might Texas Kcgi5tration # 7761 call the validity of this site evaluation into que5tion. this office Shall be C935 Craig Street, Fort Worth, Texas 7G 1 1 2 notified so that those condition5 may be evaluated as to their effect upon the 8 1 7-429- 234G (office) / 8 1 7-45 I - 201 9 (fax) conclu5icn5 represented in this site evaluation . (�rnai() ThrS cc Fort must be submitted vc the rarker County health Deartment, r-n►n�rsrrr-�:., ��c7trnc�i I . cC7m p Firm Regi5trat)on # F-4282 1 1 1 4 San .a Fe, Weatherford. Texas 7GO5G (8 ) 7-59(5-G 1 75) for and permitting.