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Fellowship-CS 990208 February 8, 1999 Mr. Larry Davis City of Coppell P. O. Box 478 Coppell, Texas 75019 Re: Fellowship of Las Colinas Parking Coppell, Dallas County Dear Mr. Davis Please allow this letter to serve as a formal request for permission to erect and operate a temporary concrete plant on the referenced project. Enclosed please find copies of an area map indicating the area required. Please mark your approval on one copy and return for our files. Thank you for your cooperation and immediate attention to this request. Respectfully, L. H. Lac y~C/~any Robert D. Hill Supervisor L.H. Lacy Company ~ ~m,~'.~ 10888 Shady Trail General Contractors > .... ~.~,~ .... P.O. Box 541297 214/357-0146 Dallas, Texas 75354-1297 "Quality Construction for over 80 Years" February 8, 1999 Mr. Melvin Lewis Regional Director Texas Natural Resource Conservation Commission 1101 East Arkansas Lane Arlington, Texas 76010-6499 RE: Fellowship of Las Colinas Coppell, Dallas County LHL plant no. 11-014 Acc. Id. No. 92-1510oT Permit No. 26969 Dear Mr. Lewis Enclosed are copies of the information on the proposed plant site for the referenced project. We request permission to erect and operate our previously permitted plant referenced above. If you require additional information please feel free to call. Sincerely, · Robert D. Hill Supervisor L.H. Lacy Company ~ 10888 Shady Trail General Contractors ~ ..... P.O. Box 541297 214/357-0146 Dallas, Texas 75354-1297 'Quality Construction for over 80 Years' February 8, 1999 Texas Natural Resource Conservation Commission Mr. Melvin Lewis Regional Director 1101 East Arkansas Arlington, Texas 76010-6499 Re: T.A.C.B. Acct. ID.# 92-1510oT Permit # 26969 Following are the procedures for the production of concrete for this portable concrete plant O 1. Raw material is delivered to the site by trucks 02. Material is stored in stockpiles or silos. 03. Stockpiled material is carried to the plant by wheel loaders. 04. Dust emission from this operation are controlled by water sprinkling. 05. Silo stored material is carried to the weigh hoppers by enclosed augers. Dust emission from this operation is controlled by venting to the central bag house. 06. Weighed material and water are discharged into the central mixing dram and throughly mixed. Dust emission from this operation are controlled by venting to central bag house. 07. Mixed material is discharged into open top dump tracks. 08. Dump truck deliver the material to the spreader. Should you require additional information please call. Sincerely, Robert D. Hill Supervisor L.H. Lacy Company ~ ~~ 10888 Shady Trail General Contractors ......... ~, ~~ P.O. Box 541297 214/357-0146 Dallas, Texas 75354-1297 'Quality Construclion for over 80 Years' NOTIFICATION OF INTENT TO MOVE A PERMITTED TRANSIENT FACILITY 1. Company Name: L.H. Lacy Company Address: P.O. Box 541297 Dallas, Texas 75354-1297 Person in charge: Robert D. Hill Telephone number: (214) 357-0146 2. Type of facility: Portable Concrete Plant 3. a. Account identification number: 92-1510-T b. Permit Number: 26969 4. Quantity and type of air pollution control equipment: Baghouse and water sprinkling 5. Location plant is to be moved from(city, county, exact location description): 6. Location plant is to be moved to (city, county, exact location description): Fellowship of Las Colinas Parking, Coooell, Dallas County_, Approximately 200 feet southwest of the end of Gateway Blvd, See Map Attached 7. Area map showing location of new site: Attached 8. Proposed date for start of consmaction: Mar 01, 1999 9. Proposed date for start of operation: Mar 05, 1999 10. Expected length of time at new location: 30 workin~ days Has a copy of this notification been sent to the regional office of the Texas Air Control Board having jurisdiction over the area to which this plant is to be moved? YES XX NO It is hereby agreed that the facility identified herein wi11 not be constructed at the proposed site or any other site until authorization is received from the Executive Director of the Texas Air Control Board. ~ Date February 8, 1999 Signature Name Robert D. Hill Title Supervisor TABLE 20 CONCRETE BATCH PLANTS PAGE 1 1. What type of plant? (check one) Permanent XXX Portable 2. What type of batching will be accomplished? (Check one) ~ Wet (rotary mix trucks) Dry XXX Central Mix 3. Maximum Production Rates: 250 cyds/hour cyds/year Does the facility operate at night ~ Yes XXX No 4. CementJFlyash/Additive silo Information a) How many silos will this plant have? 2 b) What is the volume of each silo? 200 bbl. cu.ft. 200 bbl cu.ff. __ cu.ff. c) Explain method of loading silo(s) pneumatic transfer d) Is each silo equipped with over load warning devices? XXX Yes No Please describe: Li.qht and Horn e) What type of abatement device will be used on silo vent(s)? vented to main system f) If baghouses are used on the vent(s), for each device submit the following data and attach a Table 11. I. Flow rate 600 cfm Total filtering area 2080 sft Air to cloth ratio 3571 Outlet grain loading 0.01 gr/dscf Method of cleaning bags Jet pulse air Automatic (not manual) sequenced cleaning? XXX Yes No I1. Flow rate 600 cfm Total filtering area 2080 sft Air to cloth ratio 35:1 Outlet grain loading 0.01 gr/dscf Method of cleaning bags Jet pulse air Automatic (not manual) sequenced cleaning? XXX Yes No II1. Flow rate ~ cfm Total filtering area sff Air to cloth ratio ~ Outlet grain loading __ gr/dscf Method of cleaning bags Automatic (not manual) sequenced cleaning? ~ Yes No 5. How will the batch drop to truck or central mixer be controlled to prevent dust emissions? XXX Suction shroud with exhaust air to central baghouse? (complete the following and attach Table 11 Flow rate 4000 cfm Total filtering area 24000 sff Air to cloth ratio 6:4 Outlet grain loading 0.01 gr/dscf Method of cleaning bags Jet pulse air Automatic (not manual) sequenced cleaning? XXX Yes No Flexibile Discharge Spout with Water Fog Ring (attach design drawing) Other type of abatment device (explain in detail and attach design drawing) 6. The cement weigh hopper will be vented to the: (Pick one) Cement / Flyash Silo Baghouse XXX Central Baghouse ~ Discharge spout Other: 7. List all additives or ad-mixtures and maximum usage rates at your facility: Air 40t NW Provide additional information on any items requested above in this space: TABLE 20 CONCRETE BATCH PLANTS PAGE 2 8. Will the sand and aggregate be washed prior to delivery at you facility XXX yes no? 9. The number of acres or square feet which may be covered by aggregate stockpiles: 1 acre ? 10. Explain the method of moving aggregate from storage piles to the mixing area (in detail): Rubber tired loader from the stockpile to the plant 11. Will water sprays be used at the following locations? a) Stockpiles XXX yes . no b) Aggregate bin outlets _, yes 'XXX no c) Conveyor transfer points yes XXX no d) screens yes XXX no 12. Plant roads will be: Paved & Cleaned Paved & Vacuumed Oil Coated ~Gravet .. Chemical Sprayed XXX Water Sprinkled 13. Aggregate transport trucks have: XXX Beds covered by Tarps A sprinkler system 14. Please provide the following information for all vechiles which travel on plant property Weight (tons) Number of Distance Traveled Vechile Type Speed Empty Full Wheels per round tdp (miles or feet) Paved Unpaved Raw aggregate 5 mph 1._~ 4._~0 1_~8 3.00 ft Loaders 5 mph 2_~3 2..~9 4 !50 ft Cement Tankers 5 mph 1._~.5 4...~0 1_.~8 300 ft Flyash Tankers 5 mph 1...~.5 4._g0 1._~8 300 ff Additives .,, $ mph I._~S 40 '18 .3,00 ff Mix Trucks $ mph 1._.~0 2._~8 1_.~0 if used < 1 mile Dump Trucks $ mph l_..q0 1~8 1_.~0 < 1 mile TABLE 11 FABRIC FILTERS Point Number (from Flow Diagram) Manufacturer & Model No. (if available) Hagen 1083 iet pulse Name of Abatement Device Type of Particulate Controlled Cloth Filtering Baghouse Cement, Sand, Ae~regate and related Dust GAS STREAM CHARACTERISTICS Flow Rate (scfrn) Gas Stream Particulate Grain Loading Temperature (F) (grain / scl) Design Max Average Expected Inlet Outlet 6500 6350 ambient 5 .01 Pressure Drop Water Vapor Content Fan Requirements (H20) of Effluent Stream (bp) (ft3/min) (lb. water/lb, dry air) 4.55 N/A 15 6500 PARTICULATE DISTRIBUTION (By Weight) Micron Range Inlet Outlet 0.0 0.5 100 % 100 0.5 1.0 99.98 % 99.98 % 1.0 5.0 _ 5 10 % % 10 20 over 20 % % FILTER CHARACTERISTICS Filter Velocity Bag Diameter Bag Length Number of Bags No. of Compartments (scfm/ft2 of cloth) (in.) (ft) in baghouse 6: 1 6" 7' 0" 99 1 Bag Rows will be Walkways will be provided between banks of bags Staggered Straight YES NO Filtering Material: Polyester Fume Describe Bag Cleaning Method and Cycle: Air Header, Diaphragm Valve, Blow Pipe Venturi for pulse air ~ 90 psi Capitol Installed Cost $ 25,000.00 Annual Operating CostS 350.00 ADDITIONAL INFORMATION On separate sheets attach the following A. Details regarding principle of operation B. An assembly drawing (Front and Top View) of the abatement device dimensioned and to scale clearly showing the design, size and shape. If the device has bypasses, safety valves, etc., include in drawing and specify when such bypasses are to be used and under what conditions. NORTHWESTAREACOMPOSITE MAP COL£1N Point I Celina Cross Road,, Elm Hackberr Flower Mound COPYRIGHT 1997 by MAPSCO, INC.. ALL RIGHTS RESERVED SCALE: 1" = 3.83 MILES '. 12 CONTINUED FLOWER LEWISVILLE MOUND:,_ :' E," F D~NTON C( ........ ~ tl M~P ~ GRA ~ COPPELL SCALE IN MILES~ SCALE IN FEET 0 ~'~ % % % 0 10'O0 2000 3000 9OOK PAGE 1001 IEXISTING BUILDING PROPOSED PARKING I IL, JI II ! ~'-- r'--'-ll JL ./ EXISTING GATE~/AY BLVD ~ /]PPROX AP! PRDPDSED PLANT SITE FELLDWSHIP DF LAS CDLINAS PARKING CDPPELL, DALLAS COUNTY Plant Site D u VACANT 500+FEET ALL OTHER DIRECTIONS % EXISTING% PARKING CHUR~