referring now to the drawings wherein like numerals refer to like elements throughout the several views , one sees that fig1 is a perspective view of trailer 10 which is used for transport of the vehicle wash apparatus . shaded portion 11 indicates the exterior section of trailer 10 . the wash support equipment and trailer doors are not shown and a cutaway view at the front portion of the trailer is shown in order to provide clarity as to the locations of the section views ( marked by directional arrows ). section views are numbered to correspond to subsequent numbered figures . a typical trailer for this use should be rated to carry at least 10 , 000 pounds ; however , the actual weight of the vehicle wash apparatus with trailer 10 loaded would be 7900 pounds . the volumetric area of the interior of the trailer should be 525 cubic feet . suitable alternatives for weight capacity and size may be used . except for the trailer floor , the trailer is lined with light reflective sound suppression insulation 14 which limits the operating volume heard outside trailer 10 to approximately 30 decibels . the reflective feature of insulation 14 enhances lighting conditions in trailer 10 , permitting safer and easier use of wash support equipment . water - collecting rubber matting 15 rests on a segment of trailer floor 16 where a containment cart would be stored when the vehicle wash apparatus is not being used . rubber matting 15 isolates from the wash support equipment any residual liquid dripping from the cart as well as providing stable underfooting for any operations within trailer 10 . [ 0044 ] fig2 is a sectional view depicting equipment placement on the interior wall of trailer 10 looking outward from the center - line of the trailer . the view is framed by trailer top 17 , rear opening 18 , floor 16 , and front wall 20 . the power support for trailer 10 and the vehicle wash structure is provided by generator 22 . a typical generator used would be a twenty - horsepower generator ; however , a wide range of equivalents known to those skilled in the art may be used . generator 22 is able to provide 13 , 000 watts of power to all electrical equipment within trailer 10 and that equipment used within the vehicle wash structure . generator 22 has a ten - gallon gasoline carrying capacity . directing air flow at generator 22 are air induction elbows 24 , 25 . attached piping 26 ( shown for elbow 24 ) penetrates floor 16 providing the ambient air needed for cooling and operation of generator 22 . closer to trailer wall 29 and mechanically coupled to generator 22 is heat - insulated exhaust elbow 30 , which also penetrates trailer floor 16 . before passing to the outside air , exhaust gas from elbow 30 passes through a catalytic converter muffler system ( not shown ). [ 0047 ] fig3 depicts the power distribution from generator 22 in an electrical schematic with individual equipment identified to correspond with figures identifying the location of the equipment . as shown in fig2 power produced by generator 22 is switched to other equipment in trailer 10 through circuit breaker box 32 . heat sensor 34 mounted on and electrically attached to circuit breaker box 32 is one component of the trailer &# 39 ; s multi - layered fire suppression system . if the temperature rises above 150 ° f . within trailer 10 , heat sensor 34 will automatically shut down the power at circuit breaker box 32 . located on mounting cradle 42 above circuit breaker box 32 and welded to trailer wall 29 is compressor 43 . along with the trailer lights ( not shown ), compressor 43 is electrically supplied by a 20 - amp circuit from circuit breaker box 32 . compressor 43 plugs into the 20 - amp circuit . compressor 43 is a 110 v , 13 - amp device . compressor 43 provides compressed air to equipment throughout trailer 10 and to the vehicle wash structure . compressed air available for use is piped to receivers 44 , 46 where the air is stored for future use and released to major equipment by air regulator 47 , shown in fig4 . fig4 depicts the compressed air distribution system to major equipment such as universal transfer pump 48 , grey water pump 49 , and auxiliary air tank 50 . as shown in fig2 compressor 43 , circuit breaker box 32 , and generator 22 are located near trailer side door 51 in order to provide centralized access to these components while also allowing emergency egress through door 51 . to the rear of generator 22 is power wash and steam generator 52 which provides a power wash supply to hand - held sprayers and nozzles within the vehicle wash structure . powered by a sixteen - horsepower engine , the power wash generator 52 is able to provide 3000 psi to two or more hand - held sprayers 53 that are used in the vehicle wash structure . fig5 depicts the water system of the vehicle wash including connections to major equipment and including fittings such as the manifold foot pedal 54 and pressure reserve tank 55 . similar to generator 22 , cooling air is provided by an air induction elbow 56 . in order to conserve space in the rear of trailer 10 , air induction elbow 56 attaches at hollow transition box 57 by way of air intake fan 58 . air intake fan 58 pressurizes and increases the volume of cooling air to steam generator 52 . trailer floor 16 is sectionally cut beneath transition box 57 in order to provide outside air for the intake of fan 58 . exhaust from power wash generator 52 is vented through exhaust piping 59 penetrating floor 16 and exiting to the outside air through a catalytic converter muffler system ( not shown ). transition box 57 , detailed in fig6 provides a hose connection for compressed air 60 , waste water return 61 , and air vacuum 62 . system tubing from transition box 57 enters flex hose 63 along with electrical wiring 64 . electrical wiring 64 enters flex hose 63 by way of access port 65 . access port 65 penetrates floor 16 and is provided with hinged closure plate 66 which is closed during operation . flex hose 63 enters utility hose 67 through hose fitting 68 . in operation , utility hose 67 via umbilical duct 69 provides systems such as liquid and air supplies to and from the vehicle wash structure . vacuum hose connection 70 is mechanically connected to tubing 71 , shown in fig7 . as a space saving feature , tubing 71 runs through transition box 57 to connect with vacuum 72 . as shown in fig3 vacuum 72 is preferably a plug - in , 1015 watt , 120 - volt device ; however , suitable alternatives may be used . vacuum 72 is electrically supplied by a 20 - amp circuit from circuit breaker box 32 . vacuum 72 , along with other equipment , can be plugged into four - outlet , 20 - amp , receptacle 73 , shown in fig7 . power to receptacle 73 can be shut off remotely at switch 74 . switch 74 is easily accessible through rear opening 18 of trailer 10 . as shown in fig2 receptacle 73 is also electrically coupled to a receiver 76 . another receptacle 75 in trailer 10 is also provided with a receiver for remote operation . both receivers allow remote control from the vehicle wash structure of power supplied by the receptacles . another layer of the fire suppression system located near switch 74 is portable abc - rated extinguisher 78 attached to trailer wall 29 by removable clips 80 and located near rear opening 18 for easy access from outside trailer 10 . additional fire protection is provided by a halon 1211 heat - activated extinguisher . the heat - activated extinguisher 82 is shown ; however , suitable substitutes may be used . heat - activated extinguisher 82 , which may be bracketed to the trailer top 17 or wall 29 , releases nontoxic halon 1301 gas when the temperature in trailer 10 exceeds 1750 ° f . halon 1301 gas has an advantage over other fire suppression chemicals in that it minimally damages equipment . an identical heat - activated extinguisher 84 , which provides fire suppression to propane tank 88 , is shown in fig8 on forward trailer wall 20 . the combined capacity for extinguishers 82 , 84 is 1500 cubic feet of halon . heat - activated extinguisher 84 in fig8 is located to be near propane tank 88 . propane tank 88 , with a capacity of 20 lbs . of propane fuel , supplies propane furnace 90 . propane tank 88 is attached by safety bracketing 89 to forward trailer wall 20 . propane furnace 90 is an air induction forced hot air furnace . hot air is supplied through heat duct 92 and onto the vehicle wash structure through utility hose 67 . a remote heat source such as propane furnace 90 allows the vehicle wash structure to be heated without any electrical components near the structure . temperature is controlled by a thermostat within trailer 10 . propane furnace 90 is electrically supplied by a 20 amp circuit ( shown in fig3 ). providing cross - ventilation and resultant cooling for trailer 10 are four cylinder fan units 96 . cylinder fan units 96 , run alongside duct 92 and exhaust to the outside air through open sections in trailer top 17 . cylinder fan units 96 are electrically supplied by plugging into receptacle 75 ( shown in fig3 ). water for the vehicle wash apparatus is supplied by a forty - five gallon tank 98 and a twenty gallon tank 100 . foundations for both tanks are welded or mechanically attached to the trailer front wall 20 and / or to trailer top 17 . tributary tank 103 is a fifty - five gallon tank with a foundation on floor 16 . a fill connection 104 is provided for attachment to outside water sources , shown in fig4 . as shown in fig8 water used in the vehicle wash structure is filtered through five - micron filters 106 bracketed to tributary tank 103 . tank 98 provides water directly to the vehicle wash structure by way of jet pump 108 , foundated on floor 16 and plugged into outlet 73 ( depicted in fig3 ). tank 100 of fig8 provides water to power wash generator 52 by way of jet pump 110 which has a foundation 112 on trailer front wall 20 and is hard - wired to panel 32 ( shown in fig3 ). as shown in fig4 downstream from jet pump 110 and connected to supply piping 113 is electronic regulator valve 114 , which is used is used to control the water pressure in supply piping 113 . as shown in fig2 before entering power wash generator 52 , the water is filtered to one micron at canister filter assembly 116 , mechanically mounted on trailer wall 29 . from canister filter assembly 116 the water enters a reservoir ( not shown ) from which power wash generator 52 draws its supply . depicted in fig7 power wash generator 52 has an integral pump 118 which provides a constant pressure to the vehicle wash structure . [ 0065 ] fig9 depicts the stowage of containment cart 120 and ramps 121 when trailer 10 is in transport and when the vehicle wash apparatus is not in use . to allow for needed space , utility hose 67 is stowed in ducting 92 . loaded structure containment cart 120 , depicted in fig1 , has a two - stage loading configuration with a loading bracket 122 separating a lower area 123 and an upper area 124 . equipment and rigging on cart 120 is secured for transport by nylon straps 125 . secured to upper area 124 are wash buckets 126 , water - proof lighting fixtures 127 , and vehicle wash structure system piping 128 . secured to lower area 123 is structural aluminum scaffolding . because of the stowage requirements of the scaffolding , extra available space in lower area 123 can be used to stow buffer machines , a ladder , hoses , towel dispensers , environmentally safe cleaning products , a suction pump , and structure erection tools . also contained in the available space around the scaffolding are all of the canvasses and non - scaffolding pieces required , including the structure side canvass , roof canvass , roller canvasses , containment mat , and solid corners . containment cart 120 is mechanically attached to six rollers . forward and rear rollers 129 touch the surface or ramp 121 when central rollers 130 , which are vertically longer than forward and rear rollers 129 , are pivoted in either direction . by using the pivoting leverage of central rollers 130 , containment cart 120 is able to be moved by one operator when loaded . [ 0068 ] fig1 depicts containment cart 120 unloaded . eyelet bolt 131 is threadedly coupled to crossbar 132 . crossbars 132 are welded to longitudinal flatbars 134 . resting on and welded to crossbars 132 and longitudinal flatbars 134 are loading mounts 136 . loading mounts 136 provide an exposure area to transmit force evenly to the structure of cart 120 . on the outer edges and on the underside of mounts 136 are mechanically attached rollers 129 , 130 . loading bracket 122 is shown as a configuration of welded aluminum members 137 placed to provide additional strength for loading upper area 124 . recesses 138 , shown as shaded areas , are machined into the topside of members 137 allowing secure stowage of spray system piping . with spray system piping placed in recesses 138 , the machined underside of bar 139 is threadedly secured by eyelet bolts 140 into apertures 141 , 142 . there are four bars 139 with corresponding eyelet bolts 140 . [ 0070 ] fig1 depicts a solid corner 143 used as one of four corners in the assemblage of the vehicle wash structure . for this figure , corner 143 is flattened along interior edge 144 in order to depict components used within the vehicle wash structure . four spring - tensioned grapples 146 are affixed to interior wall 148 . grapples 146 attach to reinforced eyelets on the side structure covering canvasses by means of pins 149 . in order to facilitate an overhead wash system , fixed sections of pipe 150 are secured by brackets 152 to wall 148 . at the lower end of pipe 150 are hose couplings 154 . hose couplings 154 are used for attachment to water supply hoses from trailer 10 which run inside of flex hose 63 . at the upper end of pipe 150 are couplings 156 used for attachment of the upper spray piping sections . formed within one longitudinal edge of corner 143 is track 158 used as a guide for roller canvasses that are placed on the ends of the vehicle wash structure . a roller plate 159 with roller support 160 is mechanically affixed to corner 143 during vehicle wash structure assembly . roller support 160 secures the roller canvasses and is used in operation with track 158 . equipment beam stud 161 is provided to secure with recess 162 of the underside of equipment beam 163 . on the front side of equipment beam 163 are parallel recesses 164 provided as an attachment point for stud mounting equipment such as towel dispensers . equipment beam 163 is also slotted for equipment panels 165 . equipment panels 165 can support items such as wash buckets 126 . also provided on corners 143 is quick - disconnect 166 , an attachment point for hand - held spray guns 53 . to set up the vehicle wash structure , trailer 10 is moved to a designated wash site . at the site , structure containment cart 120 is winched out of the trailer 10 using wire rope 167 provided with winch 168 ( shown in fig8 ). hook 169 should be properly secured to eyelet 131 of containment cart 120 ( shown in fig1 ). ramps 121 are removed from trailer 10 and hooked into recessed attachment points 170 ( shown in fig9 ). recessed attachment points 170 are spaced apart to align with the rollerbase of cart 120 . using remote winch control 171 , cart 120 is pulled out of trailer 10 by an operator while restraining movement with wire cable tension . the wire cable tension allows removal of cart 120 without strain on the operator and without possible damage to cart 120 caused by quick removal . floor containment mat 214 is removed from cart 120 , unrolled , oriented and placed on a surface , where the vehicle wash apparatus will be assembled . fig1 is a plan view of the setting of containment mat 214 . containment mat 214 should typically be a fire retardant reinforced membrane ; however , suitable alternatives may be used . containment mat 214 lays upon structural channel 216 . the flattened top surface area 218 of channel 216 is in contact with the underside of containment mat 214 , thus creating a berm inside the perimeter of containment mat 214 . at this point or at a later point during assembly , rubber water - collecting tracks 219 can be placed on containment mat 214 . tracks 219 isolate any residual liquid dripping from the vehicle being washed and prevent residual liquids from being tracked outside of the structure . the mid - area created in containment mat 214 is recessed in relation to berm ( 220 , shown in fig1 ) allowing pooling of waste - water after washing which is to be pumped back to the treatment system in trailer 10 . in vertical alignment with structural channel 216 and resting on the operational surface 221 of containment mat 214 are aluminum foundation sections 222 . foundation sections 222 maintain the positioning of containment mat 214 while providing a foundation for the building elements of the vehicle wash structure . [ 0075 ] fig1 depicts the aluminum structural components of the vehicle wash structure positioned for assembly . view a is an end view , depicting bottom cords 228 , leg posts 229 , top cords 230 , and a top connection member 231 . bottom cord 228 is shaped as a 90 ° angle with square end units that have a height and width of approximately 16 . 5 inches . additional strengthening of bottom cord 228 is provided by numerous cross - members 232 . legpost 229 is shaped as a 90 ° angle and is sized to accommodate corner 143 ( shown in fig1 ). in fig1 , edge 233 is the centerline of the angle of legpost 229 with members 234 extending approximately 16 . 5 inches and 900 apart from each other . legpost 229 has a top - to - bottom length of approximately 58 . 5 inches . top cord 230 is identical in construction to bottom cord 228 , except for attachment areas to connection member 231 . connection member 231 has a depth to accommodate attachment to top cord 230 and a width of approximately 108 inches , sized to accommodate the width of most vehicles . view b is a side view of the assemblage for the vehicle wash structure depicting bottom cords 228 , leg posts 239 , and top cords 230 . bottom and top cords 228 , 230 have a height of approximately 16 . 5 inches and a length from end - to - end of approximately 143 . 75 inches . [ 0078 ] fig1 is a section view looking from the mid - area of the containment mat 214 to its perimeter , depicting the installation of bottom cords 228 and top cords 230 . in reference to this figure and subsequent figures , bottom cords 228 and top cords 230 have additional cross supports ; however , the amount of supports shown was lessened for this figure and subsequent figures for a more accurate depiction of additional items of the assemblies . bottom cord 228 rests on foundation section 222 shown with containment mat 214 resting on surface 233 . after placement of the bottom cords 228 , bottom cords 223 are secured to each other by bolts 234 and wingnuts 235 at the mid - longitudinal point of the vehicle wash structure . top cords 230 are then placed on bottom cord 228 but are not secured to bottom cord 228 . top cords 236 are also attached by bolts 234 and wingnuts 235 . with top cord 230 resting on bottom cord 228 , overhead spray sections 240 are placed on the top cord 230 , as shown in fig1 . two overhead spray sections 240 are shown ; however , the vehicle wash structure supports ten sections with three nozzles 242 per section ; the number of spray sections and nozzles can be increased or decreased depending on coverage preferences . nozzles 242 face down and towards the centerline of the vehicle wash structure , in order to provide adequate coverage of the vehicle being washed . magnified view “ a ” shows the arrangement of nozzle 242 in relation to spray section 240 . welded to the top area of top cords 230 are channel pieces 244 . channel pieces 244 are positioned with the recessed area of the piece facing containment mat 214 . installed , spray sections 240 run over top cords 230 and rests in the recessed area of channel pieces 244 . water is supplied to spray sections 240 by feeder main 246 . feeder main 246 attaches to spray sections 240 by quick - release couplings 248 shown in magnified view “ b ”. at the distal end of feeder main 246 , a pressure gauge 250 is provided to assure that adequate water pressure is supplied to the spray section furthest from the supply . at the proximal end of the feeder main , hose 252 and fitting 254 are provided for connection to the water supply system . after installation of spray section 240 , a summer canvass or winter canvass 255 is placed over the vehicle wash structure including all spray system piping . summer or winter canvass 255 should typically be made from awning fabric ; however , a wide range of equivalents may be available known to those ordinarily skilled in the art . canvass 255 would cover the longitudinal area between connection members 231 and the area between top cord edges 256 , 258 , attaching with tie - wraps to connection members 231 at apertures 260 . this arrangement allows venting through top cords 230 . a winter canvass would add to the area covered by also attaching at apertures 262 on top cords 230 . jack 270 , shown in detail in fig1 , comprises a bottom transom section 272 which presses bottom cord 228 at curved area 274 and attaches at clip 276 . hook 278 raises the underside of connector member 231 with the assistance of tensioned wire rope 280 . wire rope 280 is moved over pulley 282 by an operator using crank 284 , with crank 284 foundated on aluminum stanchion 286 . pivot point 288 allows stanchion 286 to pivot in direction 290 when the top section of the vehicle wash structure is being elevated . [ 0084 ] fig1 depicts the placement of jack 270 placement from the front end of the vehicle wash structure looking toward top cords 230 angled relative to surface 233 . to elevate top cords 230 , connection member 231 is jacked up at one end by jack 270 pivoting at the other end 291 shown by direction arrows 292 . in fig1 , top cord 230 is elevated to allow installation of legpost 229 . caster 300 is secured to the two end legposts 229 with wingnuts 302 . legposts 229 are placed on bottom cords 228 , and bolts 304 are dropped in apertures in bottom cords 228 to secure legposts 229 . casters 300 are secured to both top cords 230 by wire 306 and cotter pins 308 , 310 . connection member 231 is pulled slightly by jack 270 to ensure adequate resting of top cords 230 on casters 312 . with one - half of the vehicle wash structure elevated , lighting fixtures 127 are installed . lighting fixtures 127 are provided with hooks 316 sized to fit into apertures drilled in both top cords 230 . lighting fixtures 127 are connected to “ underwriters laboratory ” water - proof connectors 318 and are electrically supplied by a 20 - amp circuit ( shown in fig3 ). with lighting fixtures 127 installed , jack 270 is removed and set on the other end of the vehicle wash structure . jacking top cords 230 and installation of legposts 229 is performed in the same manner described above , with the top cords 230 rolling forward on casters 300 ; positioned on legposts 229 and then bolted . as shown in fig2 , solid corners 143 are now set in vehicle wash structure 330 and secured by wingnuts to leg posts 229 , providing additional strength to the structure . roller plate 159 is mechanically attached to corner 143 to allow installation of roller canvass 332 . roller guide 334 is sized to fit in track 158 and to allow easily roll - up of canvass 332 when staging a vehicle and roll - down for sealing vehicle wash structure 330 . two side canvasses 336 provided with reinforced eyelets 338 are secured to spring grapples 146 with pin 149 , four grapples 146 for each corner 143 with two corners per side . spring grapples 146 provide flexibility of movement for canvass 336 under windy conditions . overhead straps 340 are provided for attachment to the overhead spray system where straps 340 can be adjusted at hook points 342 on canvass 336 . side canvasses 336 may be a mesh - type surface for adequate ventilation in summer use , or the surface may have a more thickened weave to act as a heat insulator for winter use . side canvass 336 is partially separated along seam 344 . this separation allows entry of personnel or support systems where small eyelets 346 can be pulled away and secured to bottom cord 228 or to each other . using fig1 and 16 for guidance , feeder main 246 is secured to affixed piping 150 at coupling 156 on corner 143 . equipment beam 163 is secured to stud 163 at recess 162 . equipment panels 165 are inserted into slots in equipment beam 163 and stud securing items such as a towel dispenser are placed in parallel recess 164 . spray guns 53 are attached for supply at quick - disconnect 166 . [ 0089 ] fig2 is a side view of the vehicle wash structure showing side canvass 336 as a shaded area with a cutaway section to show placement of equipment within the structure . water hoses , air lines , heating lines and air conditioning lines from equipment located in trailer 10 are brought out and connected to wash vehicle structure 330 through utility hose 67 . water for the wash system is connected to hose couplings 154 by a hose emitting from flex hose 63 which runs through utility hose 67 . utility hose 67 sizably fits in an area cleared by the pulling back of canvass 336 and between structural members of bottom cord 228 as indicated by direction arrows 350 . as canvass 336 is pulled back , eyelets 346 are secured to each other or bottom cord 228 by tiewrap 352 . in the final assembly step for the vehicle wash apparatus , triangular plate 353 connected to utility hose 67 is then placed between the structural members of bottom cord 228 and mechanically connected . time for assemblage of the vehicle wash apparatus by two operators should be approximately 30 minutes . wash water and run - off dispensed within vehicle wash structure 330 are captured by sump filter 354 within containment mat 214 on which the water will naturally gather from the natural draining topography of the parking area . as shown in fig2 , wash water is pumped back to trailer 10 through hose 355 and onto flex hose 63 contained in utility hose 67 for filtration processing by means of a double diaphragm air compression siphon sump pump 356 connected to sump filter 354 by hose 358 . sump pump 356 , which can be located in or outside trailer 10 , is preferably a one - third horsepower pump ; however , suitable alternatives may be used . sump pump 356 is a plug - in type pump electrically supplied by a 20 - amp circuit , shown in fig3 . water returned to the trailer 10 is processed through a tributary tank system for filtration and re - use . water processed through the tributary tank system may be used multiple times . trailer 10 is now ready for full operation with a vehicle to be washed pulled in all access doors closed . with the access doors closed , the decibel level is reduced to operate within osha operating standards . washing of the vehicle is executed by means of hand - held wash guns 53 , overhead foot control spray systems , and uniform straight - line hand washing with high nap virgin rinsed and clean detail clothes . hand wax and polish is in the same straight - line uniform pattern to ensure that total coverage of the vehicle is addressed . interfacing of equipment between the trailer 10 and vehicle wash structure 330 is accomplished by hand - held remote control , and foot pedals 54 . a supervisory operator will also handle and secure keys to the vehicle being washed while under digital camera surveillance . trailer 10 provides power to all waterproof lights 127 and power connectors 318 within the structure . water is dispensed upon the vehicle in the wash process by a high pressure atomization of the water to ensure water conservation . using no more than 2 gallons of water per standard size vehicle allows rapid drying and fine detailing of the vehicle creating a short wash window time . roller canvasses 332 are opened and the vehicle is removed enabling the washing process to start for the next vehicle . the off - site wash period is approximately 7 hours with two end 30 minute set - up and breakdown periods for the structure . wash periods may be longer if vehicle wash structure 330 is used as a semi - permanent structure . upon the end of the wash period , containment mat 214 is cleaned and vacuumed so that vehicle wash structure 330 may be dismantled and loaded onto cart 120 . containment mat 214 and canvasses can be loaded within the dismantled structure onto containment cart 120 and secured by nylon straps 125 so that cart 120 can be winched back and secured within trailer 10 . trailer 10 is then closed and secured for over - the - road travel to a homesite for subsequent replenishment of cleaning supplies and support systems . at the homesite , filter cartridges from filters 116 are removed and replaced by an experienced hauler . thus by the present invention its objects and advantages are realized and although preferred embodiments have been disclosed and described in detail herein , its scope should be determined by that of the appended claims .