THIS PART OF THE PROJECT CONSISTS OF PRODUCTION PLANNING AND ESTIMATING THE REQUIRED ELEMENTS ARE 1) EQUIPMENT SELECTION

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THIS PART OF THE PROJECT CONSISTS OF PRODUCTION PLANNING AND ESTIMATING THE REQUIRED ELEMENTS ARE 1) EQUIPMENT SELECTION 2) PRODUCTION ESTIMATES BASED ON THOSE SELECTIONS 3) COST ESTIMATE BASED ON PRODUCTION 4) TOTAL DURATION OF PROJECT FINAL BID PRICES SPECIFICATIONS 1) OUR SITE HAS 500 bay or CUT AND NEEDS AU ADDITIONAL 7.500 bey of FILL WE NEED TO STRIP 4,000 bey of Topsoil 2) THE FILL IS IMPORTED TO THE SITE FROM A FARM 2.1 MILES DOWN THE PAVED ROAD (40 MPH SPEED LIMIT) OR ACCESSED VIA A TEMPORARY HAUL ROAD 3,600 FT LONG. THE HAUL ROAD BEGINS AT THE BACK OF OUR PROPERTY AND GOSS DOWN A 6% GRADE TO THE FARM, THE HAUL ROAD NEEDS TO BE MAINTAINED DAILY TO HOLD A AVELAGE ROLLING RESISTANCE OF BO LES/TON. 3) MATERIAL DENSITIES • TOPSOIL : 2450 LBS/Ley 1150 180/boy 3010 LEF/CCT- 3240 281/ bay • FILL SOIL = 2620 LBS / Ley (DRY, NON COHESIVE) • CRUSHED STONE : 3600 LBC/CCY AND COSTS $30.00/ CEY DELIVERED TO THE SITE. YOU CAN GRADE 500 COY/DRY COMPACTION REQUIRES TWO 6 INCH LIFTS AND & PASSES PER LIFT AT 4 MPH • ASPHALT 152 LBS/CUBIC FOOT. IT WILL BE INSTALLED BY A SOB CONTRACTOR FOR $97.00/TON AND • CONCRETE GUTTERS + COST $20.00/UNEAR FOOT AND WILL BE STALLED BY A SUS CONTRACTOR. THE GUTTERS TAKE 2 DAYS TO NOSTAL AND 3 DAYS TO CURE.
4) TRUCKS = OFF HIGHWAY TRUCKS CARRY 15 LET OVER THE ROAD TRUCKS CARRY 10 LEY AT 75% OF THE POSTED SPEED LIMIT. 5) EQUIPMENT > • EXCAVATOR/BACKHOE & LOADER ALL HAVE 3 CY BUCKETS • GRADER NEEDED FOR HAUL ROAD MAINT • EACH PIECE OF EQUIPMENT HAS A FIXED DELIVERY OF $500 • SOIL COMPACTION REQUIRES 6 INCU LIFTS; 6 PASSES/LIFT AT 4 MPH • REPLACING TOPSOIL DOES NOT REQUIRE COMPACTION AND USES TUS D3 DOZER •ALL EQUIPMENT RUNS AT A 50 MINUTE EFFICIENCY. OPERATING COSTS/H₂ OPERATOR WAGES (INCL. BENEFITS, ETC) • OVER THE ROAD TRUCKS : $60.00 $30.00 • D7 DOZER (IDEAL: 200 LCY/H₂) = $115.00 $35.00 • 3 CY EXCOVATOR OR LOADER : $125.00 $35.00 • 120H GRADER $60.00 $35.00 • OFF HIGHWLY TRUCKS : $75.00 $30.00 • 631E SCRAPERS : $155.00 $35.00 • 5 FT WIDE COMPACTORS * $75.00 $35.00 $ $ 70,00 $30-00 • D3 DOZER (FOL TOPSOIL REPLACEMENT) • SUPERVIS02 • LABORER $50.00 $25.00 NOTE NO OVER TIME WILL BE ALLOWED ON ≤ 4 HRS = 1/2 DAY THIS JOB = 8 4es FULL DAY FOR YOUR FINAL BID USE 25% OVERHEAD + PROFIT. WE WILL DIVIDE PROJECT PART & INTO 4 SECTIONS SECTION 1 SECTION 2 STRIP THE TOPSOIL AND MOVE THE CUT ON SITE BRING SOIL FROM THE FARM USING SCRAPERS SECTION 3 BRING SOIL FROM THE FARM USING AN EXCAVATOR OR LOADER AND CHECKING IF ON ROAD OR OFF ROAD TRUCKS ARE BETTER SECTION 4 PLACING AND GRADING CRUSHED STONE, CONCRETE AND ASPHALT SUBCONTRACTORS, REPLACE TOPSOIL SUBMIT FINAL BID. 6) COSTS :
CREW REQUIREMENTS STRIP TOPSOIL: D7 DOZER (S), SUPERVISOR, LABORER MOVE CUT 3 D7 DOZER (S), SUPERVISOR, LABORER, COMPACTOR. BRING SOIL FROM THE FARM: 4) SCRAPER (<), I D7 DOZER TO PUSH AT THE FARM, 1 GRADER TO MAINTAIN THE HAUL ROAD, COMPACTOR(3), SUPERVISOR, LABORER B) 1 EXCAVATOR (SELECT EITHER A BACKHOE OR LOADER), OFF ROAD TRUCKS, 1 GRADER FOR THE HAUL ROAD, 1DT DOZER ON THE JOBSITE, COMPACTOR(S), SUPERVISOR, LABORER c) I EXCAVATOR (SAME AS ABOVE), ON ROAD TRUCKS, 1 D7 DOZER ON THE JOBSITE, COMPACTOR(S), SUPERVISOR LABORER PLACE + GRADE STONE HOW MUCH STONE DO YOU NEED ? YOU CAN ONLY PLACE & GRADE 500 ccy / DAY. (Bhrs). 1 D7 DOZER, 1 GRADER, 1 COMPACTOR, SUPERVISOR, LABORER CONCRETE SUB: HOW MANY LINEAR FEET OF GUTTER DO YOU HAVE? THE SUBS TAKES 5 DAYS: 2 TO PLACE (YOUR SUPERVISOR NEEDS TO BE THERE) 3 DAYS TO CURE. ASPHALT SUB: HOW MANY TONS OF ASPHALT DO YOU HAVE? IT TAKES 2 DAYS (YOUR SUPERVISOR NEEDS TO BE THERE). REPLACE TOPSOIL (ONLY IN THE RO.w.). THIS WILL TAKE 4 HES WITH A LOADER, THE (D3) SMALL DOBER, SUPERVISOR + LABORER REMEMBER EVERY MOVE OF EQUIPMENT COSTS $500 FULL DAYS ARE 8 HRS. (NO OVERTIME OR SATURDAYS) 1/2 DAYS ARE ≤ 4 Hes
of 4 PART IS WHERE WE ANALYZE WHAT IT WOULD COST TO EXCAVATE THE SOIL AT THE FARM WITH A BACKHOE OR A LOADER AND LOAD INTO BITHER OFF 2040 OR ON ROAD TRUCKS TO BRING IT TO THE JOB. THE FIRST THING WE NEED TO DO IS DECIDE IF WE WANT TO USE AN EXCAVATOR BACKHOE LOADER LET'S SEE WHICH MACHINE HAS THE BETTER PRODUCTION EXCAVATOR BACKHOE USE : 3600 x Q F E X y SWELL FACTOR t THIS WILL GIVE YOU BACKHOE PRODUCTION IN bey/hr (REFER TO THE BACKHOE CLASS NOTES, HOMEWORK SOLUTIONS AND PROJECT SPECIFICATIONS FOR EVERYTHING YOU NEED) LOADER (HINT: IT IS DIGGING IN ONE SPOT ON THE FARM SO THERE IS NO TRAVEL TIME) 50 USE 3600 x Q x F t x SWELL FACTOR x 60 THIS WILL GIVE YOU LOADER PRODUCTION IN bay / hr (REFER TO THE LOADER CLASS NOTES, HOMEWORK SOLUTIONS AND PROJECT SPECIFICATIONS FOR EVERYTHING YOU NEED) CHOOSE ONE OR THE OTHER, BASED ON PRODUCTION NOW LET'S LOOK AT WHAT HAPPENS IF YOU USE OFF ROAD TRUCKS TO MOVE THE SOIL FROM THE FARM.
OFF ROADS TRUCKS (CON'T) STEP 6: WHAT CAN THE TRUCK CARRY IN Dey/hr ? THE CAPACITY OF THE TRUCK IS IN THE PROJECT REQUIREMENT (IN LOOSE CYS). MULTIPLY THAT BY YOUR SWELL FACTOR TO GET WHAT THE TRUCK CAN CARRY IN BANK CYS How MANY TRIPS CAN IT MAKE IN OUR SO MIN HR? (STEP S ON PAGE 2) THIS IS WHAT ONE TRUCK CAN CARRY IN AN HOUR. STEP 7: BASED ON THE CAPACITY OF THE EXCAVATOR YOU CHOSE, HOW MANY TRUCKS DO YOU NEED? STEP B: ONCE YOU KNOW HOW MANY TRUCKS YOU NEED, YOU CAN FIGURE OUT HOW MUCH YOU CAN DO PER HOUR TOTAL. HOW MANY HOURS DOES IT TAKE TO MOVE ALL THE SOIL FROM THE FARM. STEP 9: SET UP YOUR CREW: 1 EXCAVATOR X Has x $ PER HR = 1 GRADER HRL x $ PER Her #OF TRUCKS x HRS X ARS X $ PERUR = 1 DOZER ON JOB x PER HR= HREX PER HR= HRLS × $ # OF COMPACTORS X 1 SUPERVISOR X 1 LABORER NECESSARY MOVES PER HR- X His * $ PER HAL TOTAL NOTES REMEMBER THE 4 HR & & HR RULES. ONCE YOU FIGURE HOW MANY TRUCKS YOU NEED, YOU ONLY HAVE TO DO THE CREW ONCE.
OFF ROAD TRUCKS CYCLE TIME TRAVEL TIME + LOAD TIME + DUMP TIME STEP 1: DO YOUR SPEED CHART (NOTE: RR%, GR%, TR% AND SEGMENT LENGTHS ARE THE SAME AS THE SCRAPER CHART YOU DID) DISTANCE RR% GR% TR% SPEED TIME LOADED EMPTY (P 313) (P313) STEP 2: LOAD TIME R) BUCKET SIZE OF THE EXCAVATOR BACKHOE OR LOADER YOU CHOSE (PROJECT SPECS) X FILL FACTOR YOU SELECTED FOR THAT MACHINE. THIS TELLS You How MUCH IS IN EACH SCOOP. 5) HOW MANY SCOOPS TO FILL THE TRUCK? REMEMBER, WHOLE SCOOPS ONLY.. c) WHAT WAS THE CYCLE TIME OF THE MACHINE YOU CHOSE? D) MULTIPLY NUMBER OF FULL SCOOPS X CYCLE TIME OF THE MACHINE = LOAD TIME FOR THE TRUCK STEP 3: DUMP TIME (P314) STEP 4: WHAT IS THE TOTAL CYCLE TIME FOR THE TRUCK TO MAKE ONE FULL TRIP? STEP 5 How MANY FULL TRIPS CAN THE TRUCK MAKE IN A 50 MIN HOUR?
ON ROAD TRUCKS STEP 1: REFER TO YOUR CLASS NOTES FOR ON ROAD TRUCKS. STEP 2 DETERMINE THE CYCLE TIME AND HOW MANY TRIPS ONE TRUCK CAN MAKE IN OUR 50 MINUTE HOUR STEP 3 DETERMINE HOW MANY TRUCKS YOU NEED TO KEEP YOUR EXCAVETOR BUSY. STEP 4 € SET UP YOUR CREW 1 EXCAVATOR X Hes x $ # OF TRUCKS PER 42 = $ PER HR = HRS & $ # of соmрастols x HRS X $ PER He HRS X $ 1 SUPERVISOR X 1 LABORER регне PERHR: X HRS X $ 1 DOZER (JOR) x MOVES HOS * $ PER HR TOTAL NOTES: REMEMBER THE 4 HR & 8 HR RULES YOU DON'T NEED A GRADER BECAUSE YOU AREN'T OFF ROAD. FINALLY, COMPARE YOUR BEST SCRAPER SOLUTION TO YOUR OFF ROAD TRUCK SOLUTION AND YOUR ON ROAD TRUCK SOLUTION, WHICH IS THE CHEAPEST? THIS IS THE CHOICE THAT GOES INTO YOUR BID.