Question

7:24 LTE H2Sum19331 1.docx Homework 2, CE/AREN 3311, Construction Engineering, Spring 2019 Problem 1. Estimated repair cost of a construction equipment is $220 a year. Interest rate is 6%. How much money should be put aside right now to cover repair costs for the next five years? Problem 2. Estimated repair cost of a construction equipment is $200 the first year. Repair costs increase by 4% each subsequent year. Interest year is 6%. How much money should be put aside right now to cover repair costs for the next five years? Problem 3. A construction activity is budgeted for S5,000 and scheduled for five days (8 hours a day). After three days, $3,800 of budget is used and 40% of activity is completed. Calculate SPI, SV, CPI, and CV Problem 4. Read chapter 2 of textbook. Answer ten multiple- choice review questions at the end of chapter

Answer 1

Problem 1: o/yar $ Repair cortT : 220 Intorust 9ral , i = 6 7. =0,06 Period, N = 5 Cash flou dliagam 220 220 220 220 220 3 2. P. P, prusent woth of unifom paymut seriis, ir Can b colculaDel urinz tonula given below or fous by usina Compeundl inI P = A C+) I Arnual paymeI O06 220 = 926.27 (1+000)5 O.06x AItinnatiwely curdng compound inliist uniform payz mt parius, P, AP/A, i, N) (4. 2.12) 7. 5 220 220 = 926.64 927 $927 Jhould be siū avidı To io rer Ta fiue years rupain ContI h nst

Problam 2 Ropair /yar دل 200 Percutoze Japa cost Oyeuj yroi , هم سمر حث - 4 %0 20.04 In oust rt 6%. = 0.06 Period, N= 5 Th rapaur cost is lomitue gradiut 2oni ard چ مهعامل لهcممملح abuowr balow. iD LA 200 2. 3 C6% P. درلسعشمو TA pruret value of qome guadieit A,-Annual paut 2nd of yrou 1 -g) P= A (&- 2 It0.01)5 (1+ o.06)5 200 1 (0.06-0.04) P 08. 46 (Say 109) $909 hould bu T aside Tco Th upar The nocL've cylana, Cost

$5000 Budg at conpltion Problem 3 Acii dualion Currit Aead duiaton 5 days days AcTual 1. Complti AJual cost $3800 E arned value completion x Aelual . lOmplit Budat - 5 000 x 407. 5000 % 0. 4 EV $2000 Cost vaiance, C V = Eanad valu - AcTual cot 2 000-3 800 $1800) Cost perfomau Indoc, C PT = CU= Eanad valu AJual wsI 2000 1 3800 = O.5 2 6 CPI CPI LI, DO TL ati wity budt ib S chadul variancu, S v = Eornedvauu Plorned value pv) SV= 2000 -3000 Buda Completio Atimty dualio Py= at Currut SV=-1O00 5o00 - 3000

Schaduli parfonane Tidoe , SPI = Earned valuu Planned valu SPI 2000 3 000 SPI O.6 7 SPI LI bihiud chuduli S PI 0. 67 ,'. S v= - 000 CPI= O.526 Cu = -1800 The acti vty budzit aud bohiud Scludul