lecture 25 26, lean and productivity Flashcards
what do site managers do
set out site with utilities and such plan products, meet requirements, oversee work,budgets etc maintain qulaity saftey checks liasing with clients oversee contractors work
examples of waste
time
offcuts of steel
skyscraper in city, if not enough material, workers sent home early
if too much, keep working
lean philosophy
manke what is needed when it is needed
ultimate purpose is to eliminate waste
lean attributes
include downstream people in design shit
do at last responsible minute
all stages of life cycle considered
normal philosphy attributes
dont include downstream people when designing
do as soon as possible
all stages of life cycle not considered
more lean attributes
buffers are sized and located to perform function good
systematic efforts to optimize supply chains
learnining is icorporated into project
more normal philosphy attributes
participants nbuld up own stock piles
orginizations link together through the market and take what it has to offer
learning occurs sporadically
main lean principals?
values stream waste flow pull perfection
value stream mapping tips
do materials flow
highlight area where EHS expert needed
what are the 5 S’s used as a lean technique
sorting-necessary unecessary
simplifying-sort for how often its used
sweeping-visual and physical control of work area
standardizing -standard ways to keep things orginized
self discipline -follow through
3 catergories in process mapping
-process that adds value
non value added but necessary
non value added unecessary
eliminate number 3s, improve number 2s
examples of visual controls
coloured hardhats
weekly scheduals posted
push vs pull
push, everyone makes to the schedule
pull, process in front determines process behinds work idk
3 things to pursue perfection
try and optimize
expoeriment but use buffer to not violate agreements
manipulate constraints
value added per employee for bigger companies
vaoue increases for larhger businesses