You are to develop an operating plan for the manufacture of the assembly provided in Lecture $3.$ The HW should include:

$1.$ The Actual Production Rate$/$hr$.$

$2.$ The Decision, to Purchase or Make, for each part.

$3.$ Number of each machine required.

$4.$ Number of each type of operator required.

$5.$ Line Balancing for the Assembly Plan.

Part No$.$Part Name Quantity$/$ Material Spec. Fixed VariablePurchase

unit Cost $ Cost $ Cost $

P$10$ Platform Tread $13/32$ Black Rubber Ribbed $8000\mathrm{.}0250\mathrm{.}03$

P$20$ Patform Top $10\mathrm{.}59"$ HRP&O $1,000,0002\mathrm{.}55$

P$30$ Platform Base $10\mathrm{.}59"$ HRP&O $1,000,00023\mathrm{.}75$

P$40$ R&L Front Leg $1/10\mathrm{.}59"$ HRP&O $1,000,00024\mathrm{.}75$

P$50$ Folding Brace $20\mathrm{.}59"$ HRP&O $1,000,0002\mathrm{.}754\mathrm{.}5$

P$60$ R&L Rear Leg $1/10\mathrm{.}59"$ HRP&O $1,000,0002\mathrm{.}25$

P$70$ Rear Leg Brace $20\mathrm{.}59"$ HRP&O $1,000,00024\mathrm{.}8$

P$80$ Stair Tread $23/32$ Black Rubber Ribbed $8000\mathrm{.}0250\mathrm{.}035$

P$90$ Step $20\mathrm{.}59"$ HRP&O $1,000,0004\mathrm{.}15\mathrm{.}5$

P$100$ Front Leg Brace $20\mathrm{.}59"$ HRP&O $1,000,0001\mathrm{.}83\mathrm{.}2$

P$1103/16$ Oval Head Tubular Rivet $16$ Standard $6,0000\mathrm{.}0150\mathrm{.}025$

P$1209/64$ Oval Head Tubular Rivet $10$ Standard $6000\mathrm{.}0150\mathrm{.}025$

P$130$ Leg Cap $43/32$ Black Rubber Ribbed $8500\mathrm{.}0250\mathrm{.}04$

Assembly Sequence

Activity Description R unit$/$hr Immediate Predecessors

A Sub$-$Assemble $(1)$ Platform assembly A$11220---$

B Remove $(1)$ A$11$ from monorail & place it on belt conveyor $900$ A

C Remove $(2)$ P$50$ from monorail & place it on conveyor $900---$

D Remove $(2)$ P$90$ from monorail & place it on conveyor $900---$

E Remove $(2)$ P$60$ R&L from monorail & place it on conveyor $900---$

F Remove $(2)$ P$70$ from monorail & place it on conveyor $900---$

G Sub$-$Assemble $(2)$ P$-130$ to $(2)$ P$60$ R&L $360$ E

H Remove $(2)$ P$40$ R&L from monorail & place it on conveyor $900---$

I Remove $(2)$ P$100$ from monorail & place it on conveyor $900---$

J Sub$-$Assemble $(2)$ P$-130$ to P$40$ R&L $360$ H

K Spray Cement to $(1)$ P$10$ & Apply to A$11300$ B

L Spray Cement to $(1)$ P$80$ & Apply to $(2)$ P$90300$ D

M Assemble $(2)$ P$100$ with $(1)$ P$120250$ I

N Assemble $(2)$ P$70$ with $(1)$ P$120250$ F

O Assemble $(1)$ P$70$ to P$40$ R&L with $(4)$ P$120250$ J & M

P Assemble $(1)$ P$100$ to P$60$ R&L with $(4)$ P$120250$ G & N

Q Assemble $(1)$ A$11$ to P$40$ & P$60$ with P$-110250$ B & O & P

R Assemble $(2)$ P$90$ to Sub$-$assembly Q with $(8)$ P$110100$ L & Q

S Assemble $(2)$ P$50$ to Sub$-$assembly R with $(4)$ P$110150$ C & R

T Inspect & carbonized completed Folding Stool $100$ S