.:il.'jl,,.,
t:^ i'.'I
a'
r- i
,.
d
t.tcprrr rnfurr;9 H;'dmfogy \nil gire.'n,l.rgr
BuilJing R(.ilid$b\d
t
Hazards Proj<cr
.ns,t.-u Umars-llclaleil
,
,.,
Surface tlftooildoglca I Nct$ rrrL
(Supply, Delivery, Insfillfitrdn & Commissioning)
(Contract ID No: PPCR/DHM/cICB-23)
Addcndum-l
ln accordance $iih thc IIB Clause 8 of thc llid Document 1br the Surface Meteorological
Netriork (Supply, Delivery, Installation and Commissioning) against Contract ID No:
PPCR/DHI{/G/ICB-23. follorving amendmenls in respective clauses/sub-clauses/heading has
been made as indicated below in the Bid Documcnt.
(i)
Section-2: Bid Data Sheet, D. Submission and Opening of Bids, ITB 22.1 (prge*
shall rcad as:
Tht J,, lin< ';'t hiJ suhryi\.,t,'t1 t,
Date. f-ebruary 27, 20 1 6
'I
ime. I 2.00 rcon (Nepal Standard Tine, NS? )
(ii)
Section-2: Bid Dala Sheet, D. Submission and Opening of Bids, ITB 25.1 (page 34)
shall read as:
''The hid apening.rh.tll tdke pluce al
3,1)
Su eet Address: Department of
Hydrology und Meteoroktgy
lluilding Resilience to Cliuate Rclatetl Hazards Project,
Pr ocur e m a nt ( ln it, N agpokhur i, Naxul, Kat hmandu.
D.tte: IebtuLiry 27, 20 ] 6
I ine I p m. INST)
(iii) In Sectiott VII: Schelule of Requirchents; S.Technicul SpeciJications, Heading-3-9
Sensorsfor Busic AlfS, Sub-Hei.ling- 3.9.2, Air Tempeftture ih item ho.(3.9.2.1) (Page
113)
shall reutl as-
"Ait' te pelulve tfiu.tl be teL8lred usitlU standurd P! 100 resisnnce Lemperature delector
(Rl'D). lit temperature and relatire humiditl can he mea.sured with separate prohes or
thel (:an be cr)mbined in one sensor probe. A combined probe
4$.tl
is
preferred. The unil mLtsl be
line utnnectable.
(i\') ]n Section VII: Sche.lule of Re.luircments; l. Desc ption of orerall sJtstem, List of Goods
and Delivery Schedule, Heatling-L.3 Deliwu) .rhd Installatiott of Stations, Table-3n.
(Page 74) has been rcplice.l bj" qttached amended Table 3(a) which shall read 6'Table
orler
3o Detailetl
list ofAutomatic Weather Stations and their conponents ptesente.l in
- I ircm deli\ered per stalk)n. 2x
u set o/ tix itetnt delivred per.tlutinn. (x) I itenr
b t rtservei Lrs u spoe pLr! xH - sansot lcq ie! t) it)n lir heuling.
ol priorit.\. Station ]\'ane und AII/,\
t\o ilanls dali|cred pct rtolit)n. ()\
dclivretl
(Table: 3(a) file afiochel as excel sheet)
*Poqes referred
to h
type Lagend x
Euilding Re$ilierEe
su.tace Meteorologkal
t
:.fnn6e RdateE Hazards Projecr
(?t\d(il Ffppty/
Del
rhistallation and commissioning)
tcd+f.qtfD No ppcR/DBM/F,rrcB.23l
'. Clarification 1
we received th€ following Clarifjcation request through pre-bid meeting, official letter and email from th€ Consulting Fnms. Our response
Reference to the Bid ooc!meni
is as follows:
Description ofQueries
lsthete any detoiled infatnatia. dbaut pte\ent snuotran olsite stotions?
lsthete evoluotian rcpaft oboutthe 88 ttotions?
DHM /BRCH Clarificat'on
Refer Addendum
l{iv)
for
p!rposes deta led inlormaton isgiven i. Table 3a, wh ch s now
d nr buted :lso ir Excc torm to bidders to aiow for plrnn nE delivery and
b d
.st:lation niormaliononavaiabltyof nansACpowerandmobie
operators is a 50.rov ded.
Section Vll Schedule of Requiredents,
l.Oescriptionof OverallSysteh, listot
Goods and Oelivery Schedu le, Heading1.2,Generai Desffiption oithe Object of
Sidding 5ub Heading 5, Automated
Weather Obsetuing System for Aviation
(Pase72) para-2{3rd row): 'Dlgita
PLMN operators ln Nepa
ire
NTC, NCEL
Wha suppliedthe cannunrcotion equip,nent Jot thed?And B there onydptciled
inJornotian a baut the style oJnetwo.k,GSM at CDMA)
Rere, Addendum.r{rv)
(,)
Table li (seeAppe..ilxrothlsc arific.tion)is amended to n.udebest
avallab€ estimlte ofthe operato6 providine amp e mobile con.e.tiviry
(b)Preference i5to !se 3G with.apabiityfor both GSM &COMA.
(.)S!pplier is reqrned ro provide Modems wilh c.paclty to ca.rv two 5tM
cards and with prelerence havine aulomated switchtnE berw€en two
operalors a.cord nB to better conne.rivity.
(d)DHM w i ta.iltat.to supp iertoestablshthe ac.ounrs n|re nam€or
DFM with ocalte ecomm!.lcatlo. and to p!r.hase S M ca.d5 OHM wi
paythe r!nn ng.ostolcommun catlo. after.omm sstontngthe statton5
a.d wi mait: n the.ccounts
(e) DHM has experience n the rldium sate lite sysred. Thts rechnology
preiered at stat o.s indlcited to req!ire 3atel te conne.rion
(i) DllM w I fa. itate to estab ish the account . the .ade of DHM wirh
sate
lle operaror
and DllM wi Ipay rhe
aner.omdissionin8the stationsand
rLn.i.g.on of communicarton
wl maitz.
the acco!ntt
ts
Section Vrl Sch€dule ol Requirement5,
l.Descr'ptjon ol Olerall System, rier of
Goods and Delivery Sched!le, Heading- oppeo,inq to be tn d bhnd spat, ,ndet t
1.3.Delivery and Installation of Stations:
"S!pply, de ivery
5!b co.tracrors
are arowed. (PaCe73)
carl.l tt be.eploced byfive sotellite 5to(ions2
Wha poysJorthe canmu.i.dthg .ast al PLMN ond/or sotelLte cannunicatian?
And sholl we quate ond supply fat the re.eiver ol satelites cammunicoaan ot
{a)The suDp er it req! red to qlote and provide i.it a y 5 rad o link
svstems to be used at any stat o. s te where the nIcanal]owforor
improve.onnectvry.Addillona rado inksystem5wr beacqutred.s
lb)Rolters to rece ve the data via 65M/CDMAor satel te wjlbe prov ded
DrlM is pa' r of the DHM TL sysrem
(.)DHM wi
iac ltate lo slpplierto establsh the ac.ounts in the nameofDHM wrh
loca te e.ommunlcatio. & satellre operatorr and to p!rchase S M c.rds
DHMwilp.ytherun.ineconof commlnl.atlonaftercommissio.ingthe
statons and wilmaitain the a.co!nts
{d)DHM has erperience in lr di!d satellte system. 5o this te.hnology
preterred at stat o.s nd.ated to require satellte conne.t on.
section vrr s.hedule oi Requirements,
Whdt i.the heohing
ol
IANDLINE AVAILABLE, LOCAL DISPAY dnd EXISTING
l.Oes.ription of Overail System, Listof
ld)LANDLINE AVA|LABLE: Daes it neont.ontpaft line kood)at netwotk lihe
1.3.Deliv€ry and Installation of Stations, lphane tine a/ ihtetnet tine)?
'Tab e 3ar Detaled tist of
lb)LACAL DTSPLAY: Daes n nean la.al d6plolafwedthet dato aJla.olstotion?
A!tomatic......... ..
option for
Whot is the e\act woy oJ dtsploy requnenent of hardwo.e(computet ond
nanitar)dnd saftworc ote nat derned? Pl.ose sive detoiled des(iptionobaut
rcq0renents ol LacaL DlsPLAf.
lc)EXtSflNG MAlNS: Daet n tueon thete oteaheody stotionexisted?
Goods and Delivery Schedule, Heading
tand lne: Network line
b)Locald sp av:Software and standard 20'dispiav to show rea -time dara
measure.r bv the statlo..
ClExistins ma ns: AC e ectri.itvsuppv avaiable at the itsla lation 5ite
a)
lntoble 30, diqitolPLMA noden ond sotellne noden are reqri.ed; but nt
3.2 3, it it.equneLlthdt thp equjpmenr sholl support voriout kind aJ
cannuni.dtion equiphent, in.luding, but nat Initedta nadems, satellite, tudio,
S!b H€ading-3.2.3 Thc equlpment shal cellulat phane ood I.PIP protacat
a)Ihe requlfementln sub headlngl.2.l meansthattheAWS DCP.an
supportvaro!s..
Table:la lRererAddendom 1(iv)) we sve specific informatioi of the
prefered comm!ni.atlon method to be used at each ste.
5ection Vll Schedule oi Requirements,
3. Technical Specifications, Headi.e3.2-Gen€ ra I lechnica I Requirement5,
. ...-IcP/
P
o)
b)
Ihe .equircnents aJ.onm|nr.otion eqttpmentare dilferent in table 30 ond
How ta u ndetstohd tt?
3.2. 3.
ts
conne.led wlth varlous kinds of cohmunic.tion eq!ipment neniioned
be
;T'r
-5a{!p.
Section v ll: Schedule of R equiremenls,
3. Technical 5pecitlcations, Heading
3.1.Genera/ Requirements, SubHeading-3.1.6. Manuf acture, delivery
6
\larpovdp,Bl-a
B prote, t
ol
o' dd'
h r.a\(pF leo
andl6stallation, item no,3,1.6.4'All
eq!ipment shali be slrge
Section vrr: Sched!le of Requirements,
Heading 2.4- Iraining Requirement
{
Page92),
s u b-H
Ihe requnenent s Jor troinnq rn 2.4 ore different with then in 3 19.
How shouldo suppliet unde6toncl the twa dilJerent requnenents?
eadins-3.1.9. Irainins
la)Hea.l.g 2.4 Spe. fles the local ons, ength a.dtypes oftrain ng to be
held and ind cates approxlmate n!mber of parti.ipants.
(b)h S!b heading 3.1 9 the contents and reqlirements for trainlng
{Page99}
7
s!pplier shal quotethe price of training a.d p an the trainlnC
program according tothe informaton given in Heading 2 4 and sub
(c)The
Section Vll: 5chedule of Requirements, lo) |n3.3 i, it js tequned thotthe setiolsensor interJo.es sholl suppalt the
3, Technical Specifi cations, Heading
faltawing stondotds RS 2j2 / Rs 485/sDt 12.
3,3.Environmental 5pecitlcations and
lb)Daesit mean ou prcdu.ts \uppatt ollthethrce stondotdt?Or out ptoducts
Device Interfaces, 5ub-Heading-3-3-3.
meelthe perfatmonce rcqunen.nts by tdoptingone af the ttdndot.ls?
Serial lnterfaces, ltem no.3,3,3.1 The
data processing unit..............................Rs
232, RS 485, R5 12 {Page-98)
The oeger shou d support sensorsw th RS 232, RS-485 and 5Dl 12
oltputs Preferred method forach evlngth s is byconfig!ration {ifthe
required llw dr vers already €xist on board)or by exchange.ble drive.
Section Vll: Schedule of Requirements,
th 3.6, the tuost sholl be Jronqjble ot stotions locoted ot
3.Technical5pecincations,Heading3.6.Pole Mast, Sub heading-3.6.5 The
mai shall be hancible. ..............safety
whjch stotiohs rcqune lrongible most?Cauldthe p.ecise nuhbetbe given oJ
Ircngible nost ond cannan nost ?
Masts need to be fraigible qUat airports. Stations located at airports
are lndicated by the stat on name. Table 3a { Refer Addendum- l(iv)) lisis
88 sltes with 10 m masts. A totalof 18 ofthese sites are Airpoftt r-aq! r.e
Jrangiblemasts,the restT0sitesshall have'cohmon' masts
onpatts, if rcquned by
regulatiois lPage'108)
10
About stondord wotetline indetection of Grcund WoterLevel:
Ground watertab es are different at allstations and vary accordtng ro the
How isthe stondord wotettine lwoter tevel)deJinedl
seasons llowever gro!nd watertabe does notBo below 30 met€r. So,
O(, how isthe ttondord sea l-"veldefin.d in Nepdl?8.9. Yellow Seo levelis odopted sensor evelistobefixedlna evelthat co! d monitor the grolnd water
as the stondord sealeeelln Chino.
eve year round. The sea eve of Bay of Bengalln 1930 is tra.sfered to
Nepa a.d isconsldered asthe standard sea levelfor Nepa
4"+
'..^
,rqx
Section Vll: Schedu le of Requ irements,
3- Iechni.al 5pe.ifi .ations, Headjng3- l2.Senso rs for an Agrometeorologica
Obseruation Station, 5ub-headine3.12.5. Ground Water r€vel Sensor, in
item no. 3,12.6,1 {Page-122)
On y a sobmersib e water l€velsensor is specified
a.d procured
According to out e,p?.iencet, tudal
I
Cauldwe adapt toda. sensat insteod ofGrcund Wotet LevelSensat?
specifcotion Jor Grcund
woter Lewl Sensot lrequned
11
in biddins
Cdble length with extehsian
50n
Operotinq tempetoturc
o'c-
Mo
i tu u
h
dacuhentt
+50'c
sub ner st o n de pt h
^
L2
Section Vll: Schedu le of Requirements,
3. Terhnical 5pecifi cations, Heading3,l5.Data co llection 5oftwa re
Requiements, in last sentence oflst
parar'............DFM akeadV
posseses...........wi Ibeinnalled (Pa8e
tn 3.15,
4O'C-
+40"C
l5h
it is soid thot DHM oteody possessesthe setuet whete this saftwore wjll
be instdled,
inwhith
o
Stotic tP oddtess is needed.
129)
I]
Sedion Vll: Schedule of Req!i rements,
3. Tecbnica I Sp.cifications, H eading3.15.Data Collection Soft ware
3.15.1.1fhe Doto Collection Safwore wil be windows 7lond lotest)ond
Mictosall Setver 2012 compotible
what 6 the Microsoll Servet 2012lwindaws Servet 2012, or Microsoll SQI
Requkements,Sub-headin€
Servet 2012?
3.15.1.1
{Mandatory)'Ihe dats
co ecuon..................2012 comp.tib e
{Pag*129}
Microsoft sQL SeNer 20l2orcompatible is req!ned.
n
this
t tt rcqunedthot lrotteties fusl + La,t)riafifdilrlrnb@
ore gaing ta tse leodoct.l bottetie
, ;,.+
Section vrr: schedu le of Requi rements,
.3.5.1.2,
3-rechnjcalSpeci6cations,HeadinC3-5-PowerinC,Sub heading 3.5-1.Power
w.
ltem
no.3.5.r.2 The ba.kLp ... ....availab e
n NFat
gle/_lg;f."qge-,,
er t respo.s b e to sele.l a baitery that s common y av! l:b e
in Nepa.Havirga eadacid b.tterywthvcltaeeotl2vdoesnot
ne.essar lyCUarantee rhat the battery s .ommo. y avai abl€
The supp
Source5 and Storage
n
section vrr: 5.h.dule of Requiremenis,
3. lechnical Specifications, Heading
3.15.Reliability and Mainiainabiliry
Requirements, Sub-h€ading
3.1\.12 Prcgrcnthe stottons tehatelL
rehote conflgurat on and paramete.changei.
whhoui goinS lo the st:l]o., an operator rt DllM m!5t have the
possib lity to Lse exisil.g communlcation inI a.d !pdate software
co.iiguration and/or station parameter va !es.
Set stotian values rcnately;
whot the pte.6e n."oning af"plagton the statianL'?And whot is Ihe.antent oJ
The AWS DaP must allow
3 15.1.2 Ptavide use. selectoble ddto do\|nlaad between lot utet seiectobie
petiod altjmeJor uset setectobie nuhbet aJstotians
Does it meontodownload reoltimedatd dnecllylrcn stotions, ot ltanlogqed
Thisspeciii.aton poinis to daia .e5 dine ln the AWs DCP memory. Daia
for lser spe. fled periods and 5elecled stat ons shou d be dow.loadabl€
remoielye.g. by us.8 the server residing at DllM HQ.
DetoltaJthe.t,ttt bate hate k .ot in.lrded in the rendet Specit.otian 5a th6 work
work cost has ro be
So
3.15.1-Reliability (Mandatory), ltem
no,3.15,1,2 The AWs
system............technca proposa {Page130)
Section vrt: 9chedu le of Requ' rements,
3. Iechnical Specifi cationt, HeadinC3.15.Reliabilitv and Maintainabiliiy
Requiredents, Sub-heading
t6
3.rs.r.Reliabiliiy {Mandaiory), rtem
no-3.15-1.2 The aWS
svstem .... ....le.hni.al proposa (Page
1301
The
1l
section ll: Bid Data 5heet5, 1T8.15.1,
'The price sha Lbe.
ln that
t8
included:
drll boreholes wll
be between
(a)
1smete.t to 30 meters. Please refer
(o) How cteep dntt is teqrned (deepne$ af the drill bare nat nentraned)
(b) tn ||hrch deep tevet (un.lergraund) to instoil 5round wotet sensol
tosedionV 1.2.2(page68of thebiddoc!me.1)
(b)Sensor eve lstobeflxedlna eve sothar tcoLdmo.itorthegrolnd
(c)pipe eze fo,the undetgrcund dnlt
(d)fypealPtpe pv. ot GtPlpe Nat nentianed
water evelye.r round.
Ihe bidder is requircdtaquate in the cutenty oJthe Put.hoset saaLnttythe
portian oJthe btd ptice rhqt canesponds ta etpenditutes in(uned ihthat
.unen.y' we envistan sub.ohttortihq the p.ovisian af locol qaads ontl se.vres
Llefined in u S..lalo! te.ms.lsthis o awe.l?
Ihe po.tion ofthe bld prlce that cotresponds to expe.ditLres in the local
.!tren.y 5h.l be quoted in loca curency
{c)The d ameter oi the pipe ls 100 mm, however, the diameier of the
plpe shou d be adequate enough to accommodate the se.sor comlortably
{d) Hlgh.d€ns ty polyethy ene pipe
Section rr: aid Oata Sheets, rra.t4.5,
''The p.lce be quoted by the b dder shall
not be s!bleci to adjlstment d!ring the
perfo.maiceof thecontract. (Pace33)
rhi' oppeors tafthfict with pdse ja
t'3
6ot oltus ior
pi-
"&,;@i
d..ordinq to lnlotian. pteose exptoin. tfindeed inlotian bqis&enst,re
oitowed, which index is used dso rcJereh." Jor Nepote.e curenci)?.:!
The prlces quoted
bythe btdder slaI be ftxea dungtle b dders
pertormance ofthe conrra.i and not slbject to variation on any acco!nt
(rTB 14.5) However, ifth€ award is de ayed by a period exceedingfifty
5ix
(56) days beyond the expirVofthe iniiia bid va|dity,the contract price
shallbe deterhined after adrusri.e the factor quored i. BDS
{tTB 18.3{a)).
ht at on for Nepalcurency wi tbe as per Nepai Rastra Bank Index for the
19
Inflation fofforeig. curre.cy
20
5edion r: rnstruct'ons to Bidders, Clause tt ts out understanding thotdutihg the pre bid neeting n wo, erplojned
thotthe
19. Bi.lSecuity, Sub,clause r93ld) "
bld security must be cauntet guoronteed by o bonk in Nepot. Which Nepolese
Fron a reputab e source from an
bonksthot hove correspantient retotianshipsta intetnotionoly rcnawned bonks
e1ig]b|e......................under
TB 18.2.,.
o.e occeptdble ta DHM?
Pease reterto Section
19.3(d) Bld s€curity.
l.
wi
be as per the cotresponding bank
nstructions to Bidders, Ctause 19, Sub.ctause
Thecommercialbanks in Nepatregistered byNepa Rastra Bankwi tbe
{PaEe-21)
Section-l: Instrudions to Bidders, Ctause uurlnq tne pre-b|d meettnl tt wot ttotedthotdtv js mondotary
ontlo cansortiud P ease refer to S€.rion t, tfB a.1 (Etieib e Bidde6a
4. Eligibbaidders, Sub-Clause 4.r " A
ogteement ts unoc.eptoble. whot dre the distingujshinq thotocteistjcs af the
Bidder may be a flrm that.....................
toint Ventute structute thotore deehed nonddtoty?
Refe. Secrion r, BDS ( TB 4.1): The marim!m.umber of members in the
numberormembe6 i. a lV. {page-lo)
2l
andsedion lr, Bid Data Sheet(BOS), tTB-
4.1i Maximuh number
of memb€r.....1V
shal be:3 three.' lPase-321
l.'i;l
section vrr: Schedule of R equi rements,
3. Technical 5pecifi.ation5, Headine3.5.PowerinB,5ob-headinB 3.5.1.Power
Sources and Storage ltem no.3.5.1.1
a,. lt m!st be possible to power.......at
22
I-efbbica
I spec
ificat ons of the solar panel, res!laror and battery sha lbe
c\rlen accodingto the proposed weather station, sothatthey are
elrillcientfor rhe f!nctio.a specificatlons presented in ihe Bid Doclment
i.3.5.1 3 should be interpreted sothat At stationswith
.eiloneters and oresent weather sensors.solar oanels are not reoulred'.
The statement
leastfor 30 dayswlthoLt recharg n8
bockup botteries sulfcientJot keeping the stotian tunninq ot teost far 3A doys.'
(PaBe'106), sedion vl l, 1. Description of b). on the athet hohd, foble 30 (Refe, Addendun-1(ivlJ indicotes o solot ponel
systen Jor oll statians except 831, i32, ond #7 1.
Overall syrtem, Heading-1.3 oelivery
cl. As o thnd considerction, Poge 107 3.5.1.3 stotes: "At tier 1-3 stotiahs hdins
and Installation of stations, Table3al
powet shaultl anly be used whentequired due ta sensar heoting, operoting
cejlameters or present weothet sensors.
heatins" (Page 74); 3. Technical
Specjfications, H€ading-
3.s.Powedng,Sub-heading 3.s.l.Power
Sources and StoEge ltem no,3.5.1.3
c). AtTler 1 3 stations .......oi pr€sent
weather senso6." (PagF1o7)
section Vll: schedule of Requirem€nts,
3. Technical spe.ification5, H eading'
3,9.sensoE for Basi. aws,su b-heading
3,9.6: wlnd Sensor'tem no.3.9.6.r &2
{PasF114}
23
I
fhis question .eso rds the sou.e af bdck up pawe. fat tt6l*ns |titjb hdoted \ . .:
se nso 6, ce il o hete B a nd/o r pre sent weothe r se ns or s.
d). Pdqe 7063.5.1.1stotes: -!i hust b. passibleta pawe. the'tt9,lio. enhe, Jrcii
noins netwotk, ot with o tolor ponel systen at os o canbinotion dfbath. ln eoch
r..p thp <rn an <h.rht in.t rrlc tc.hordp.htp .pdlpd dnd nDinrcnoniifw '
far ceilometets ond prcs.htw.other sensorsismuch more
expensive with solot ponels thon with a bonk aJbotte(ies chotqedframthe noins,
Since bockup power
moy we assume the lottersolution is occeptoble, while solat pdnelsystens ore
requned onty fot apetotion oJthe ather conpanents al the neteototagicat
.tnti.n. ot.n". with .pil.mcrc I ond/ot arptcnr weothet sensotsdnd/ot heated
i.9
thot the wind sensor shol use ulttosaund ond thdt sensar heotinq
shauld be ovoiloble os on aption.a high grade nechdnicdl wind sensor with lonqweoting, ototian resistont cootihg, ovetsi2.d Gtonic beorinqs iso nuch nore
dutubleaptian thot the uftrosonicwind senso.. (Averoge ultrosanicwind sensal
usefullife is otauntllve yeo6, wheteosthe he.ha.icol olternotive ifwelt.
nointoined willlast nuch longe L )F ufthetmote, a block sensar housing ond on ice
6 speciJies
.esistont cootinq noy pravide equivolent o. superia. rcsults os canporedta
hedting the ultrosoni. sensot, which teq uner fot norc pawer. see the lottowng
http ://w ww.you ns us o.c on/ptad uct s/1 1 /80. ht nl
]s itocceptdble to prapose this solution os an oke.notite tothe heoted ultrosanic
4r
O!rworkBroup h.sspecifled the wind sensortype tor this project to be
i. icing conditions ls
one issue, but we are also spe.ifcally lookingfor a sensorwith serialpon
outp!t. This isavallable as a standard feature on any ult
an u trasonic wind sensor. Reliability and operation
Therfore we w I cons der only !ltrasoni. sensors ln this plrchase.
Section Vll: 5chedule of Requirements,
3. Techni.6l Specincations, HeadinB
3.9.Sen50E for Basic AwS,Su b-hea ding
3.9.5: Aimospheric PressureSensor
Item no,3,9,5,1& 2 (PaBe,114)
24
3.9'5'2es|ob|ishesdvP|yhighre5olutiao,hQhac.ufu.yre'ure6entJai...
otmaspheti. pressure se.soB. while thE 6 undest'lldobie t'a.AWOS
applicatio.s, rhB level aJ ptecisian tsrc.ely rcquned Jbt borcnetet5 in
neteotolagtcot networks, os it it qenetally nat considercd cost effectiveexcept lor
p.otedjnq on
trofit. IheJollawinlt
lntks
Tb.edigtal nre.lace is req!ired specifi..llylo a ow easy press!re sensor
reF acement a.d laboralory ca ibration. They are aho g€nera y mu.h
iiro.e a.cLrate than a.a oB baroneters. Therefore ana og baromete6 are
shawtl,e type most cammanty used in
n ete or al oqicol netwa*s :
htt p: //www. v a i so I o. ca n/e h/prad
u c ts/ pte $ u re/Po qe s/ PI 81 1a.o s p x
htt pf/www. set I o. co n/p rcd u. ts/p re, u re/made t 27 I bo.ome t. j. prc t s u I e
wouldthese sensat, (ond athe6 sinta4 be occeproble fot yau nan AwOs
specili.dtions drc geheftlly tockins obout required .ommni.dtions devices ond
dl- Ihe potogtdph
an Poge 72 in.licates thot bath GSM ond CDMA syste ms
ope.ote in Nepol, ond there ore three ptavidets: NTC, NCEL ond
All a8
stotiahs dte hotked in Ioble 30 ta rcce've .ligitdl PLM N madems,'R'r
but there is no
a) Table 3a (see
Appe.d x to this
best availab e estlmate of the
:onnectivity.t statio.
s
c arif cat on)ls amme.ded to inc ude
operato6 providine amp e mob te
tes.
indi.atian dbaLt whichate betterserved by GSM vetsus CDMA Conyouprovide
na.e inJattuotion toenoble bidde.s tadetetdjne how dony oJeoch noden type
to p.opase
Jatthetotol requnement aJ97?
bl Davou
teaune 2G? 3G?4c? willollwo.h fat eout needs?
c) ln the porollel hydtulagirol tendeL whete there is sonewhot harc detoil obout
DH M's cannu nicotians needs, two nodems ore.equi.ed lot eo.h stotionto
ensuredato trantnission when one netwatk's sialnolis weak. Ihe rdhe end.oh
be oc.onplished with one
caverolJe
25
dadeh.onyjng two sin cotds.
far th6 netearclaqjcol
d) k the biddet rcquned to set
a. willthis be done by DHM?
eJ
te
up
Da yau rcqune dauble
ndet?
ond naintat. the occaunts with la.al prcviders,
lsthe bi.lder requited ta ptuvide nute6 os reqtned b receive
the
t) A.catdjng ta Toble 30, nine stotion,
dato
tequne sotellne matlemt,hawetet the.e is
rhe three mast connan options for the
Eostetn Hemisphete ore MEIEOSAT, lNMARSAI, ond tRRtDtUM, eoch with rdthel
distin.t chdturtetistr.s dnd operatjng casts. Aosed an DHM'sond your
consultdn{s p.iat expeienre. pasitive ond/at neqotive, willea.h afthetp
plotfarns beocceptoble? lsthe.e onother plotfarn that is ovoiloble ond
no indnotjan aJo preJerrecl plotJat
b)The prefer€nce i5to use 3G with capabllitvfor both GSM & CDMA.
c) Modemscariy ng two 5rM ca.ds s requned with preference havinB
altomated sw t.h n8 between two operators accordine to betier
dJ Dl-lM w
lrestab
e) Routers
w
I
sh
the ac.ounts with oc.lte e operators.
be p.ovided by DHM as part of the TC system.
f) DHM harexper en.e n rrldium sate ite sysrem. So thistechnology is
n.
44
(,
ql
tap b.dda tportpd ta .d
^
tut, th^ bp don.4 DtjM.
section
V
ll: 5chedu le ot Requi r.ments,
3. Te.hnical Speciflcations, Heading-
3.6.Pole Mast, Sub-headinB 3.6.5 The
26
nastshallbefrangrbe.
".
o-d nonto.4
.
-
thp
$rcltt,a okn^
1
.'
o..
oun. a g) Ihe
J
bidder ls not requned to set up and maitain the sateltre provder
3 6.5 ndtes thot the nostthd be Jronsibfu FosttyZottopsiblel or ttotibii tacoted
otonports, if re.tuned by sofety rcqutotioni.+d)ltuhich / haw nonyoiFioftsnes
do saJ.ty resutotions rcqune honqible tuons'.: .
Ihe hasts need to be frangib e o.ly ar the akpons. The sta|ons to.ated
at a rpo.ts are indicated bythe staton.ade Tabt€ 3a (Refe.addendun,
r(iv)) lists 18 A rport sites.
3.7.7.4.eJetsta 6PS receive6 05 ane aJ three optiahs lor odjusting the RrC. ts
GPS lunctionolity required or oll stotians? tf it is rcquned dt a subset aJ stotians,
whi.h orethese? lBrought upotthe pre bid tueeting_)
Asexprain€d n 3.7.7.3, the req! red
3-7.3 hot very genercl s pecjficotions Jor the desned dototagser. while we
welcane theihplied conceptthot onylogget thotfufith these requirements wil]
tre occeptobte, we ore concerned thdt .amporisons bdsed an criterio thot drc not
tisted in 3.7 3 cauldrcsult ina ptaposolbeing disquolified unnecessorily, osthe
supptjet night have qaposed onoltetnative logger thotwoutd hove quolified by
these criteno. Wedo hot odvacote enteing the reolnofhighty speciJic etectrani.
detoils,osthese orc ha/e alten used tolockone suppliet in dndthe others aut.
we dahawever oskthot yau re.onfnn whether the requircdents listed in 3.7.3
The dala logger sha ll
...........safety
regu ationJ lPager0S)
Se.tion Vll: Schedule of Requirements,
3-Ie.hni.alspecifications, Heading21
3.7,AWS f onctionalities, Sub,heading3.7,7-Systefr Clock,ltem no. 3,7.7.4 In
addition, il mLst be poss ble,. .............to
the natio. {Page111}
5ection Vll: Schedu le ot Reqoireme.ts,
3. Technical 5pecifi .ations, HeadinS,
3-7.AwS Functionalities, Sub-heading3.7.3-Data Logging,lrem no. 3.7.3.1to
3.7.3.7 (Page-1091
2A
describe oll the
29
RTC c ock a.c!racy is lO ppm.lfthis
without using GPSi rhen it is accectabte as such Ihe use of
GPSis only a. optional solltion to achieve the req!ired c ock accuracv.
is achieved
cohp y with allreqlnements give. in the
specilicaiions,those specifted in 3_7.3 and a so e sewhere tn the
Junc anoljty thot DHM rcqunes. ( Btuught up ot the p.e-bid
5e.tion Vll: Schedu le of Requi rements, Duting the pre bid neeting it wos ttoted thotthe AWOS stotions (os o subsetoJ
3. Technical Specifi cations, H€ad jogottstotions)must cadmunicote withth. DHM server. fhis evidently reJers to
3.ll.Aviation Weather Obseryatioo
Poge 1193.11.1. Kindly ptavide detoitsoboutthe DHM servet, includjng olawed
System, 5ub-heading 3.11-1. Minimum
AWOs Requirements, in item Do,
3,11.1.3: lhe AWOS sh.l be ...message
format." {Page119)
4'+
3.11.13, thisspecia reat|me dara I .k to Dt-tM c.n us€ any
welldocumenred data format, sothat a parsercode can be easity
As stated ln
generated rorlhe receiving end at DHM.
L7
..'
Section Vrr: Schedule of Requirements,
3. Technical Specifi cations, Heading3.9.Senso6 f o. Aasic AWS,S0b-heading
3.9.2i Air Temperatu re (PagF113)
3 9.2.2 tpecitietthot the on rcmpglotuk proge shottd*e tP63 to dccommodote
tdlbtotion in
se n so6
tiquid
wit h i h
both
b u i td r ns
whrte tp6s i\'apnilanuondifotte
s, th
i"
-;]"ii3{'i!q",e
$,
oi@enperon,e
n f or i i rtBdiie,ot u,e
^"
sensas in outdaat environm".tot" .iitl,tihoq n"'t*o,rt.
.wbuta:lpas ue
oaeptabte? llnat, tP66? lBtought up.;tthe pre bid tn.ering:i
"
whlle someth ng less than rP68 classifcation wo!td be accept.ble for the
measurement atthe station, the sensorw ilbe in fu immersion on a
liq! d callbratio. bath d!ring calibration measurement. Therefore tp68 is
req!ired forthe temperature sensor head.
reqlirement in 3-9.2.1indicat€s that "Antemperarure must be
measured using standa.d Pt 100 resistance iemperature detector (RTO).
A rtemperature and relative humiditycan be meas!red wth separate
probes or they can be combined in ooe sensor probe. A combiied p.obe
s prefered. The !n t must be sertal ii e coi neda b te." (Refer AddendumThe
30
1{ii4)
se.lion rl:Bid Data Sheets,
D.
SubnGsion and openi.e ol Bids,
1T8.22.1, For bid submission
purposes........website:www.bolpatra.Sov
.np. {Pase35}
31
5ection Vrl: Schedu le of Req!i rements,
3. Techni.al Specifi.ations, Headi69-
3.9.senso6 for Basic AwsJ!b-heading
3.9.2: Air lem peratu re/ ltem no.3.9.2.1
'
Mote
o suggestion or.equest thon o question. Consideing the scape of the
tender, the ounbe. ofquestions thot needto be dnswercd ond cannunituted ta rhe deadlne forsubmitting ihe SLrface AWS bid documents is now
ollihterested biddets, and the time rcquiredtoodjust ptapasals occatding tothe
postpo.ed to 27 Feb 2016. At 12 noon as announ.ed at
dnswersthot ore eventuolly provnled,in.ludjng sourcing of itens thot night not
http://www.dhh.gov.np/noti.es/
hove been.onside.ed beJore receiving the ons||ets, we believe thot more tihe will
b.requned in ordet fat us tabe oble to prepore ond subhito propasalwofthy oJ
DHM'S consideration. Othet bidders will sinilarlybe bettetoble ta provide
ptapa.ots thot meet DHM s expectotions if mare tjme it given. we the reJorc dsk
thot the deodline be pastpaned by 20 30tlots.
An Tempetoture sensar requested with tP68 Jor colibrotian in Liq uid both tt is An Whlle somethlng essthan P68 c assificaiton woltd be acceptabte forrhe
temperotutesensor ar sail/watet tehperature sensar or you need seporote probe measlrem€nt atthe statlon, the sensrwilbe tn f!ll mme.sionooa
lP6Afur Colibtotianin Liqui.l Both.lf n is farColibrotian. Pledse spe.if/quontity of liqL d ca ibration bath du.ingca ibratlon meas!rement. Therefore p68 is
requned forthe temper.ture sensor head.
Air tedperat!re m!st be........lne
coniectabe. (Pag+r13)
req!nement in 3.9.2.1lndicatesthat "Antemperatlre hlst be
meas!red usine standard Pt'100 resistance temperatufe detector (RTD).
The
32
Airtemperature and relative humiditycai be measured with separate
probesortheycan becohbined in one sensor prob€. A combined probe
is
preferred. The unit nust be sertal iie coi necta bte." (Refer Addendum-
1(iii)l
4'I
I
ection Vll Schedu le of Requi rements,
l.Oescription ot Overa ll System, List of
Goods and Oelivery Sched!le, Headings
33
l.2,GeneralDescriptionof theObjectof Bhotrohawo onpon? tq Kothmondt o npot t d neodt.have
da-\ btad. . ,.. t ta..tp,lot. h h th.
")
RVR,
No need to
interta.e w th existine synem.
Ceilanete. ek.
Bidding 5ub Heading-5, (AWOS)
Automated Wearher Obserui.C Sysrem
tor av atio. {Page 69)
Page 106 Section Vll:
5
chedu le
of
Requiremenls, 3- Technical
Specincations, Heading34
1.2 3 Eff.r(s wtltbe node to uitue, os faras pa*ible, theexistlng AwAs
| :.
.onptonrt .ampanents ateo.h ofthe thtee 3ie5ed orfietds.shoujd thsbtdd;r
\,P4 at PaLnotn \otnt.o-oL
3.5. Poweri6g,S u tsh€adinB 3.5.1. Power
Sources and Storage,ltem no.3.5 I 1to
Unde. Poge 146,3 5 Stotion.unninq ot least t'at 30doyswithout rc.horging
Techn ca speciflcationsofrhe so ar pane, reCL atora.d barteryshal be
Iechni.olSp,".tft.otian detoils requited Jot topocjtytrrype afSolor ponel (Wattoge, chosen acco.dinC lo the p.oposed weather
stat on, so that they are
Mona/Poly), Requlatot lCunent RatnB, Mppr/pWM Cho.ging, LVD Featurcs)ond suffcient forth-" fun.tiona spec fications prerenled
n the SBD.
Bottety (Ah Ratt ng vRLA/G EL/F LaODED/TUBLAR) whi.h js nat nentianed in the
t.ndpt da,
r,..nt
D
i rp ob
po16t tpoutotat bo,r.t)
tpqlr-
o1y
3.51.5 {Page 105)
l5
Section vrr: Schedu le of Requi rements,
3. Technical Specilications, Heading3.7,AWS Functionalities, Sub,heading3.7,8-Power Saving Mode, tem no.
3 7 8.1 to 3.7.8
{Pag*111}
l
PAGE 131 Section Vll:Scheduleof
Req!irements, 3- Te.hnical
I
Powet Sovng Made But, an page 124 ta 12a, t Ihe 5 second saDp l.C is spectfied for temperarure whi.h is me.sured
ovetoae votues, etc. i. tequire.j, haw n js arways also in thepowersaving mode.
possible ta aLhieve un.1er pawersaving node ih whlchthere is nentianed sone Dl
Unde. Poqe 111, ifwe
is meotia.etJthot doto
fulfi
S7
of5 te. sanplinq,
thesensa6 strouid aba be.wn.hed aff?
Under Paqe 131,3 16 3 3 Allcalibtotions needed shotl be obte ta
totibrotiaoo DHM calibrot ton
la
pe!o.me.j n o
batatary Does DHM hove cotib.otton lobarcta.y?
Specifl cations, Heading-3.15_3,
DFM does not.t prese.t have a calb.a|on aboratory, however, a
.a ibrato. abor.tory is p anned to be establ'shed dLring the.o!rse of
Calibfation and Preventi!e
b-heading 3.16.3.3 Al
needed........-.. abor.tory'
M aintena nce, Su
ca ibrat
oi
{Pase131}
37
Pleose p.avidp u5 detoilIe.hnrol SpeciJi.otiah oJ Doto LaAqet rcqune.j sepot.tety A lce.t fcates needed are mentioned
in the Bid do.L,,
far Iier 1,IieD, net l+ Iiet 2,Iiet 3 and AWOS. Da yau need thnd porty
ceftilicotian lat this Dotologget?A.e IWe cettit'i.ote & CE decldrction aJ
canJornity tequtre.l fat sehso6 ond Dotolaqqet?Or ony athet certlicotion iJ
The detoil
,18
erl
,pe.iJkation ofdignolPt MN naden. soteltte nadetn B not nentianed The B dder shal dec de whi.h tlpe of PLMN and Saie ire
modem s
Pleose ptaeide u5the technical spe.it'icottan
requnedtofu lfi thelun.to.alspectf caLtonsBive. .the btddocument.
intendet dacunenr
21
I
.u
q
section Vll: Schedoie of Requiremenis, 6 neteot otaeicot tethnician' o," ,"qu;,"a
h, .oint"ion
.lIcb.oo. noIopnor
3. Technical 5pe.iication5, Heading 3_1. d u, i n q wo n o nt y pe.t od. And ot s o o e I d w ud af c
&t ut,. M o ; uJo,t ue iBid d
Jt
;egarding point 3.1 10.2
General Requirement, 5!b Headingshauld handle site instotlotian, site preparotioh, st; sutuey,l",r,act -.,r.i,."r- .l
3.1.10. Maintenance and Iechnical
nonogenent, procedutelat onsne malntenonce, petiad!. reponsansite o.d.: ,ta'
setuices, ltem no.3.1.10,2' the b dde.
sinilat d4i!ities. Do the biddets need tadenahttrote th(iitheyarc.dpablefb;
"iiiaiifriiE,
39
shal provlde.... ....... ... ....w li be
accouited i. the proce$ {Pageloo)
Section Vll: Schedu le of
R equirements,
3.Techn'calSpecifications, Heading,
3.6. Po le Mast, 5u b-heading-3.6,5 ' The
mast shall be franeible. ........ .safety
reCLiations (PaBe107, 108)
[,
.
r,dtai4w .rB ost^a..q..pne.
.re mer
obave nentioned poihts?
whot kin.ls oJsuppafting documentsirc rcqoftdta
subnit ltahthe side af bidder? During Mointenonce andtechni.at ser;i.e.. da
you need quotificotions, experience/inltustructure tikevehi.lesoltacot bjdderol
3 6
Altthe nost to be supplied shauld
be
t'ranqible)
he ma5t\ need ro be lr.n8rb e
qa!
ar the
arpods
I,